animals on the sea family 100
Mammals. Smart and 1 day ago · A team of researchers exploring underwater mountains off the coast of Chile have discovered over 100 new species of marine life.They are marine … Big-Belly Seahorse ( Hippocampus abdominalis) The big-belly seahorse is found in southern Australia and New Zealand. This is deeper than any other mammal or reptile in the world. This fully bilingual book lets kids learn about animals and sing songs in English and Spanish. Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea. Jungle animals include predators such as tigers, Asian wild dogs and reticulated pythons; herbivores such as forest antelopes, Sumatran rhinos and tapirs; birds such as hornbills, macaws and toucans; and aquatic animals such as piranhas, green anacondas and crocodiles. Belly-Belly seahorses are nocturnal and live in depths ranging from 0 to 104 meters of water.5-9. Instead, they have a shell. If you are learning English yourself, or you have a child that is learning English, you need to have a certain amount of vocabulary. Prairie dogs live in coteries, or small family groups within a much Introduction to the Enhydra Lutris Species. This educational quiz game will help learn sea animals and their names for kids, preschoolers, and kindergarten. September 29, 2022 by Ryan Julian. Example: The walrus was basking in the sun on the ice floe, surrounded by its family. Here are eight animals that show us just how strong the bonds between animals can be. There are 130 described species of marine mammals living in the earth’s oceans. Can You Guess 100 Sea Animals in 3 Seconds? Test your knowledge of marine animals in this exciting quiz! Guess 100 sea animals in 3 seconds - easy, medium, h Color: Animals, Green. An ocean expedition revealed 100 never-before-seen sea creatures in underwater mountains near Chile. These omnivores are the largest member of the weasel family, but the smallest marine mammal in all of North America. Although 752 The manatee are rather strange-looking rotund floaty vegetarians that bounce about in the shallows of the tropics, often referred to as ‘sea cows’. Sea lions are hunted by killer whales.3-4. Within those orders are several suborders and families. Animals in the marine environment include jellyfish, sponges, sea spiders, bryozoans, mussels, sea stars, fish and whales.They are marine … Giant Pacific Octopuses are highly intelligent creatures with complex behaviors. Big-Belly Seahorse ( Hippocampus abdominalis) The big-belly seahorse is found in southern Australia and New Zealand. Let’s find out more about them! It belongs in the family Cyprinidae of order Cypriniformes. The Latin words phyko, which means seaweed, and oura, which means tail, are the origin of the name phycodurus. - Ocean Animals Facts Marine life has some of the most diverse ecosystems on the earth, from marine mammals, like dolphins, orcas, and blue whales to sea creatures in the coral reefs and ocean floor., the lion’s mane jellyfish is the longest at 120 feet. The otter’s diet consists of clams, mussels, crabs, squid, octopuses, sea urchins, sea stars, and fish, most of which are hard-shelled and need to be cracked open first. Dealing yet another terrible blow to Hawai’i and its once-abundant fauna, George, the 14-year-old O’ahu tree snail and the last of his kind, died on New Year’s Day of 2019. loggerhead sea turtle. This educational quiz game will help learn sea animals and their names for kids, preschoolers, and kindergarten. kempii ), are small with wide rounded shells. kempii ), are small with wide rounded shells. With the dolphin and the sea otter among them, ocean animals include some of the most complex, fascinating and intelligent beings on our planet.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian … Smartest Sea Animals. Most pinnipeds cruise at speeds around 5 to 15 knots, though sea lions sometimes reach bursts up Salish Sea Orcas. Six double-sided, interactive pages feature animals from 12 categories such as the forest, the ocean and the shore. Sea squirts possess both male and female reproductive organs. Along with its horse-shaped head, it has eyes like a Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. It often becomes specialized in hunting one type The olive ridley and its relative, the Kemp’s ridley sea turtle ( L. Size: Length: 3. The sea otter spends most of its time in the water but, in some Let's sing the finger family song! Meet lots of ocean animals under the sea! There's a penguin, turtle, dolphin and watch out for the shark! 🦈 Sing along Which marine animal is the biggest? While the blue shark is the largest, weighing about 400,000 lbs. farm animals. Watching animated sea movies such as The Little Mermaid, Finding Nemo, Moana or Ponyo is fun for the whole family and teaches the There are many different types of sea animals living in the ocean. It is also interesting that fish can be found in fresh or saltwater, but shellfish live in saltwater only.3-4. Elle1 / Shutterstock. The species can reach 35 cm (14 inches) in length, making it one of the largest seahorse species. Some live in the ocean, and some live in freshwater. Most turtles can dive to depths of up to 290 m (960 ft). Current Population Trend: Decreasing.) Procyonidae (Raccoons, Coatis, Olingos, etc. They hunt seals, sea lions, and walruses in arctic waters. Some of the animals may be new species and include … An international team of scientists, led by Dr. It often becomes specialized in hunting one type The largest living animal on Earth - the blue whale - and the biggest population of large carnivores - the seals- evolved only after they returned to the depths. They have long, narrow wings that allow them to fly great distances using very little energy.The snailfish lacks scales, has large teeth, and does not bioluminesce, a departure from what many people envision in a deep-sea fish. The other 11 species are river otters. Let’s look at them in detail. Are any sea animals endangered? Leatherback turtles lived at the same time as the dinosaurs and have changed only modestly since then. May 28, 2022 · Let's sing the finger family song! Meet lots of ocean animals under the sea! There's a penguin, turtle, dolphin and watch out for the shark! 🦈 Sing along Which marine animal is the biggest? While the blue shark is the largest, weighing about 400,000 lbs. Sea Turtles … Ocean Animals: A List Of Animals That Live In The Ocean With Pictures & Facts – Plus FREE question sheet. This fully bilingual book lets kids learn about animals and sing songs in English and Spanish. Dolphins have the ability to recognize themselves in mirrors, indicating a high level of self-awareness. They possess a dense fur coat — which is among the thickest in the animal kingdom (approximately 1,000,000 hairs per Big-Belly Seahorse ( Hippocampus abdominalis) The big-belly seahorse is found in southern Australia and New Zealand. Jan 30, 2023 · One example of animal families would be the 12 families that fall under the Carnivora order (Carnivores). 9. Subclasses: 3 Orders: ~27 Families: ~167 Genera: ~1,314 Species: ~6,400 We should all be familiar with mammals because us humans are mammals too! Mammals are arguably the most “advanced” class of animals, with many species being very intelligent. However, one species of sea turtle—the leatherback—can dive over 1,000 m (3,000 ft)! The maximum depth ever recorded for a sea turtle dive was a leatherback that dove 1,200 m (3937 ft).100 Sea Animals Collection - Learning Aquatic Animals Names and Videos - YouTube 0:00 / 20:34 Did you know that there are about one million species of animals that live in the ocean? leibwood Updated: Dec 31, 2023 11:56 PM EST You'll find the humpback whale on this A to Z list of sea animals! ANDREYGUDKOV | Canva Sea Creatures List The ocean, the original home of earth’s animal life, has creatures of every size and type. Belly-Belly seahorses are nocturnal and live in depths ranging from 0 to 104 meters of water. They have also been known to feed on sponges, sea stars, mussels, sea cucumbers, carrion, and polychaete worms. Aquatic animals may breathe air or extract oxygen from water through specialised organs called gills, or In 2018, scientists officially described a snailfish (Pseudoliparis swirei) at 27,000 feet below sea level, the deepest living fish ever found.) Ursidae (Bears) Mustelidae (Weasels, Badgers, Otters, etc. The otter’s diet consists of clams, mussels, crabs, squid, octopuses, sea urchins, sea stars, and fish, most of which are hard-shelled and need to be cracked open first. Did you know that there are about one million species of animals that live in the ocean? who’s Sea Creatures List. Learning 100 Sea Animal Names and Video Flashcards. This fully bilingual book lets kids learn about animals and sing songs in English and Spanish. The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Follow. We cover many bodies of water, such as the Atlantic ocean, Mediterranean Sea, Caribbean Sea, Pacific Ocean, Arctic Ocean, and much more.The most common characteristics associated with mammals include having … Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. Sure, it's a fish, but it's also so un-fish-like. Habitat: Northern and eastern North Pacific Ocean. #seaanimals#videoofdifferentseaanimals#learnthedifferentseaanimals#realvideoofseaanimals#nameofdifferentseaanimals#videoforkids Sea otters eat mussels, clams, sea urchins, and fish. It includes family Otariidae. It is listed as endangered pieces. American Badger. The largest living animal on Earth - the blue whale - and the biggest population of large carnivores - the seals- evolved only after they returned to the depths.S. Six of the seven species of sea turtles that swim the planet’s waters Color: Animals, Green.) Procyonidae (Raccoons, Coatis, Olingos, etc. With … Which is the fastest sea animal? The sailfish, which reaches speeds of up to 68 mph. And sea animals are quite important for the entire environment and nature. Belly-Belly seahorses are nocturnal and live in depths ranging from 0 to 104 meters of water. They also migrate long distances for food and mates. For the last time, I’d like to recommend that you divide the animal theme lesson into four categories: pet animals. Discover deep-sea critters, including exclusive footage and info. 9. A male southern elephant seal can reach up to 4 metric tons (4. The twelve families include: Felidae (Cats) Canidae (Dogs, Wolves, Coyotes, African Wild Dogs, etc. That vocabulary will include everything you can encounter in everyday speech and the written language. Mammals. Another iconic Salish Sea species is the orca (Orcinus orca), also known as the killer whale.9 meters (98 ft) and weighing up to 199 tonnes (196 long tons; 219 short tons), it is the largest animal known ever to have existed. The humpback has long pectoral fins, a distinct ridge running along its back, and large knobs on its head. The olive ridley and its relative, the Kemp’s ridley sea turtle ( L. 4. For the last time, I’d like to recommend that you divide the animal theme lesson into four categories: pet animals. Finally! We are now on the last installment of our free animal-themed flashcards. A walking octopus, a red-lipped batfish, and a sea butterfly are just some of the curious ocean creatures who jump, scurry, and fly through the pages of this intriguing book. These pods are led by the oldest females and up to five generations have been seen living all together (as calf orcas never leave their mothers!). Along with its horse-shaped head, it has eyes like a Average Life Span: unknown. As adults, both species have shells about 58–78 cm (23–31 inches) long. Whale.Orca, also known as killer whales, behave like wolves in the sea, hunting in family pods and working together to capture prey. More Resources Sea otters eat mussels, clams, sea urchins, and fish. One example of animal families would be the 12 families that fall under the Carnivora order (Carnivores). It often becomes specialized in hunting one type Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows. They include animals such as cetaceans ( whales, dolphins and porpoises ), pinnipeds ( seals, sea lions and walruses ), sirenians ( manatees and dugongs ), sea otters and polar bears.com. Interesting Fact. They are an informal group, unified only by their reliance on marine Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea lions, and walruses), sirenians (manatees and dugongs), and marine fissipeds (polar bears and sea otters). Weight: 70 to 1500 pounds. Know Your Ocean. Some of the animals may be new species and include sponges, crustaceans, and mollusks.0 meters with the weight of 350 kg for females. It often becomes specialized in hunting one type Vampire Squid. Explore deep-sea observations with this interactive guide. The humpback whale (Megaptera novaeangliae) is a species of baleen whale. In total, there are 13 different species of otters. Find out more about how scientists are using a new technique called DNA barcoding to help classify species. In particular, younger sea lions are more vulnerable to predation as they are less familiar with their water environment and the dangers that can lurk beneath the water. They're immediately recognizable by their distinctive black-and-white coloring. Flying Frogs and Walking Fish by Steve Jenkins and Robin Page. Conservation Status: Endangered. Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. Sea cucumbers are echinoderms from the class Holothuroidea (/ ˌ h ɒ l ə ˌ θj ʊəˈr ɔɪ d i ə, ˌ h oʊ-/ HOL-ə-thure-OY-dee-ə, HOHL-). This means that the more you learn words Jan 5, 2023 · They belong to the weasel family, and its subfamily is the Lutrinae. Inspire imaginations by adding different sizes and styles of blocks so children can build ocean habitats and have ocean adventures. Dive into topics about ocean health and its fascinating features. Partake in a safari without ever leaving the U. Finally! We are now on the last installment of our free animal-themed flashcards. Ranking 10th among the fastest sea animals, the Bonito is a medium-sized …. Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. The Giant Pacific Octopus is not only the largest species of octopus but also one of the friendliest animals. This means that the more you learn words They belong to the weasel family, and its subfamily is the Lutrinae. farm animals. The humpback has long pectoral fins, a distinct ridge running along its back, and large knobs on its head. This is deeper than any other mammal or reptile in the world. May 26, 2023 · Fish are aquatic animals with streamlined bodies, fins instead of limbs, and gills. There are two main types of fish: bony fish (Osteichthyes) and cartilaginous fish (Chondrichthyes). Around half of all vertebrate species are fish. That vocabulary will include everything you can encounter in everyday speech and the written language. Smart and Thelenota ananas, a giant sea cucumber from the Indo-Pacific tropics. Starfish (plural: starfish) A starfish is a marine animal that lives in The babies eventually follow the moon’s light toward the sea, arriving safely. Sing along to the finger family song with sea animals for kids!Subscribe for new videos every week! 3 years & up. However, one species of sea turtle—the leatherback—can dive over 1,000 m (3,000 ft)! The maximum depth ever recorded for a sea turtle dive was a leatherback that dove 1,200 m (3937 ft). There are few mammal species, … An ocean expedition revealed 100 never-before-seen sea creatures in underwater mountains near Chile. Sea urchins mainly graze on algae and undersea vegetation, such as kelp. Six double-sided, interactive pages feature animals from 12 categories such as the forest, the ocean and the shore. Elephants can detect distant vibrations, possibly even more than 100 miles away. The ocean is a vast and mysterious place that is teeming with life, and our list of 100 sea animals only scratches the surface of the incredible creatures that Latin Name: Enhydra lutris. Explore three play modes that teach about animal names, animal sounds and fun facts. Diet: Sea urchins, clams, mussels, and crabs. Albatross Wandering albatross Albatrosses are large seabirds. It imitates the look and motions of creatures like sea snakes and eels with startling accuracy.) Sep 18, 2023 · Dolphins inhabit various environments, ranging from shallow lagoons to deep ocean waters. The manatee are rather strange-looking rotund floaty vegetarians that bounce about in the shallows of the tropics, often referred to as ‘sea cows’. Anaconda Snake. Conservation Status: Endangered. The seahorse is a very unusual animal. Javier Sellanes of the Universidad Católica del Norte, has identified over 100 potentially new species thriving on underwater mountains, or Humpback whales are much smaller but still enormous animals and eat huge amounts of plankton. Steller Sea Lion is a kind of mammalia with the scientific name of Eumetopias jubatas.©Tatjana Baibakova/Shutterstock. We have only 2. Leatherbacks and ridleys are largely carnivorous and consume a wide variety of crustaceans and mollusks. Oct 27, 2022 · 9:00 am.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian … Latin Name: Enhydra lutris. American Oystercatcher Bird.5% fresh water available on Earth’s surface and the rest 97. Explore three play modes that teach about animal names, animal sounds and fun facts. Sea squirts are animals that get their nutrition and oxygen from water that flows through their body. 10. Most turtles can dive to depths of up to 290 m (960 ft). Amazonian Manatee. Orca, also known as killer whales, behave like wolves in the sea, hunting in family pods and working together to capture prey. It is quite surprising to know that almost 80% of all lives survive underwater in seas. Diet: Sea urchins, clams, mussels, and crabs. Which marine animal is the biggest? While the blue shark is the largest, weighing about 400,000 lbs. By using their front flippers, sea lions are easily the fastest group of pinnipeds. Mantis Shrimp Animals of the Deep. Have a wonderful preschool lesson with these Free Sea Animals Flashcards from The Teaching Aunt. The twelve families include: Felidae (Cats) Canidae (Dogs, Wolves, Coyotes, African Wild Dogs, etc. The mimic octopus is a master of disguise in the water that can impersonate a wide variety of aquatic animals., the lion’s mane jellyfish is the … Their breath-holding abilities allow them to dive deep in the ocean to find food. Gills are organs that extract oxygen from the water and excrete carbon dioxide. The sea squirt diet consists of plankton and debris from dead sea life. With the dolphin and the sea otter among them, ocean animals include some of the most complex, fascinating and intelligent beings on our planet. A new study discovered that the hindbrain -- the part of the brain 6. From the smallest plankton to the largest whales, the diversity of life in our oceans is truly awe-inspiring. Prairie Dogs. See less. Instead, the sea lion tail is used like a rudder. Diving explorer … Alien-looking lobsters, sponges, urchins, sea stars and sea lilies are among the creatures deep-sea explorers found off the coast of Chile. They include animals such as cetaceans ( whales, dolphins and porpoises ), pinnipeds ( seals, sea lions and walruses ), sirenians ( manatees and dugongs ), sea otters and polar bears. Six of the seven species of sea turtles that swim the planet’s waters The leafy sea dragon is part of the family Syngnathidae, which includes other species such as the pipefish and seahorses.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West Killer whales have reached recorded speeds of 55 kph (34 mph), earning them a place in our list of the 10 fastest sea animals. Tarpon. Each individual otter has a favorite food in their diet, so to speak. 1.41 short tons) in weight, and up to 6m / 20 ft. Some whales have been known to use complex hunting techniques, such as bubble netting, where they blow bubbles to trap and corral fish. loggerhead sea turtle. This creature is able to live and breathe normally in a remote Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows. These animals of the sea also make great bath toys. Dolphins. 9:00 am. These … Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. Let’s look at them in detail. Dolphins. Learn about ocean life through block play. Sea lampreys belong to the order Petromyzontiformes and to the family Petromyzontidae, which includes 8 genera encompassing 31 species. It is one of the most commonly kept aquarium fish and many people -especially kids- own it as a… pet! In fact, goldfish (along with dogs and budgies) have been kept as The sea lamprey, a 500-million-year-old animal with a sharp-toothed suction cup for a mouth, is the thing of nightmares. Weight: 70 to 1500 pounds. Size: Length: 3., the lion’s mane jellyfish is the longest at 120 feet.5% is saline water in the form of oceans and seas. This is deeper than any other mammal or reptile in the world. It’s an exciting place to explore. Six double-sided, interactive pages feature animals from 12 categories such as the forest, the ocean and the shore. Each individual otter has a favorite food in their diet, so to speak. As a mostly prey animal that feeds on smaller ocean animals, the Color: Animals, Green.Since then, she has been traveling to discover the world’s best snorkeling spots and sharing her experience and tips to inspire others. Researchers from the Schmidt Ocean Institute explored the sea bed Humpback whales are much smaller but still enormous animals and eat huge amounts of plankton. Its scientific name is Phycodurus eques. Go on safari in California. Definitions of species can sometimes be complicated and are based on morphologic Scientists discovered a slew of potentially new species living on seamounts off the coast of Chile in January and February 2024. Sep 8, 2023 · The southern elephant seal is the world’s largest pinniped (the group of animals that includes all seals and sea lions) and dwarfs even the walrus, another member of this group. Fish are aquatic animals with streamlined bodies, fins instead of limbs, and gills. So, the herd sends their own unique vibrations with their trunks through the ground, which the mother elephant can pick up through her sensitive feet. Size: 2 feet to 7 feet long. 3. Smart and Thelenota ananas, a giant sea cucumber from the Indo-Pacific tropics. Seals, walruses, whales, otters, and others rely on the back end of their bodies—their tail—to produce thrust. Larvae of the sea squirt are like tadpoles and swim freely. February … Sea snakes are another type of reptile that lives in the ocean; All reptiles are cold-blooded animals, including the ones that live in the ocean. Find her photos on @anett. Some more interesting facts about sea animals are as follows. Sea otters eat mussels, clams, sea urchins, and fish. Explore three play modes that teach about animal names, animal sounds and fun facts. Around half of all vertebrate species are fish. Allis Shad. Subclasses: 3 Orders: ~27 Families: ~167 Genera: ~1,314 Species: ~6,400 We should all be familiar with mammals because us humans are mammals too! Mammals are arguably the most “advanced” class of animals, with many species being very intelligent. A: The most dangerous sea animal is subjective and varies depending on the circumstances. In total, there are 13 different species of otters. Conclusion. The cards come in 3 packs designed to offer maximum flexibility for ESL students. The list of mammals that live in the ocean includes whales, dolphins, squid, eels, jellyfish, octopus, starfish, crabs, sea turtles, lobsters, angelfish, seahorses, clownfish, seals, stargazer fish, manta rays, and many more. The species can reach 35 cm (14 inches) in length, making it one of the largest seahorse species. 2.5 feet or 2. Some of the most dangerous sea animals include sharks, box jellyfish, and stonefish. Oct 20, 2023 · Sing along to the finger family song with sea animals for kids!Subscribe for new videos every week! 100 Sea Animals Collection - Learning Aquatic Animals Names and Videos - YouTube. Sea urchins have even been found at depts greater than 6,850 meters! Diet of the Sea Urchin. 10. While the giant is the largest, its polar opposite is the small-clawed.The word petromyzon means “stone … How seahorses are a fish but also so un-fish-like.Delphinidae is a family … 100 animal flashcards for kids! Download these FREE printable animal cards for your kindergarten or preschool. Did you know that there are about one million species of animals that live in the ocean? who’s ready to learn about marine life with us? let’s dive deep into a hundred of them! here we go! #kiddosworldtv #flashcards #seanimals #learning #educational. Beluga Whale — This whale is also called a sea canary because of its wide range of twitters, clicks, and … Marine mammals make up a large portion of the ocean. Let's sing the finger family song! Meet lots of ocean animals under the sea! There's a penguin, turtle, dolphin and watch out for the shark! 🦈 Sing along There are many different types of sea animals living in the ocean. Killer whales, great white sharks, and hammerhead sharks will all occasionally hunt sea lions. Sea Otter. They're immediately recognizable by their distinctive black-and-white coloring. The maned wolf is an elegant, long-legged animal, that looks like a fox and a wolf, but is actually a member of the dog family from South America. Sea Animals Finger Family - Songs for KidsLet's sing the finger family song! Meet lots of ocean animals under the sea! There's a penguin, turtle, dolphin Their breath-holding abilities allow them to dive deep in the ocean to find food.5 feet and weigh between 210 to 230 pounds. Leatherbacks and ridleys are largely carnivorous and consume a wide variety of crustaceans and mollusks. The list of mammals that live in the ocean includes whales, dolphins, squid, eels, jellyfish, octopus, starfish, crabs, sea turtles, lobsters, angelfish, seahorses, clownfish, seals, stargazer fish, manta rays, and many more. Engaging and educational video showcasing 100 differ 1. Sea Animals Finger Family - Songs for KidsLet's sing the finger family song! Meet lots of ocean animals under the sea! There's a penguin, turtle, dolphin Their breath-holding abilities allow them to dive deep in the ocean to find food. However, one species of sea turtle—the leatherback—can dive over 1,000 m (3,000 ft)! The maximum depth ever recorded for a sea turtle dive was a leatherback that dove 1,200 m (3937 ft). 100 Sea Animals Name List Sea Animals Here you can find sea animals in English and example sentences with each of them. The Atlantic tarpon ( Megalops atlanticus) is a fish found in coastal areas of the Caribbean Sea and the eastern Atlantic Ocean. One of the larger rorqual species, adults range in length from 12–16 m (39–52 ft) and weigh around 25–30 metric tons (28–33 short tons). 2. Seuss couldn’t dream this An international team of scientists, led by Dr. There are two main types of fish: bony fish (Osteichthyes) and cartilaginous fish (Chondrichthyes). Are any sea animals endangered? Jan 17, 2023 · Leatherback turtles lived at the same time as the dinosaurs and have changed only modestly since then. Sea urchins feed by grabbing and biting with their five teeth. The ocean, the original home of earth’s animal life, has creatures of every size and type.