Chart 131 - Sea Creatures

Sea Creatures Chart

Spectrum Chart - 131 : Sea Creatures

1. Lobster – Lobsters are large crustaceans that live in the sea. They form the family of Nephropidae, which is sometimes also called Homaridae. Lobsters are an economically important type of seafood. Lobsters usually move slowly by walking on the bottom of the sea floor.

2. Puffer Fish – Pufferfish is a family of Tetraodontidae , with about 100 species. They are called the pufferfish because when they are threatened, they puffs up to about twice their normal size by gulping water. Pufferfish are generally believed to be the second-most poisonous vertebrates in the world, after the golden poison frog.

3. Octopus – Octopus is a genus of cephalopod mollusc in the order Octopoda. They have two eyes and four pairs of arms with suckers. They have a hard beak, with the mouth at the center point of the arms.Octopus have no internal or external skeleton.

4. Hermit Crab - Hermit crab is a type of crab that does not have a hard shell.The hermit crab is a crustacean, but it is very different from other crustaceans. While most crustaceans are covered from head to tail with a hard exoskeleton, the hermit crab is missing part of its exoskeleton. Hermit crabs are omnivores and scavengers. They eatworms, plankton and organic debris.

5. Crab – Crabs are in the phylum Crustacea. They are decapods (having ten legs). Their short body is covered by a thick exoskeleton. Crabs have short tails. Crabs are omnivores, they eat almost anything they find. They will eat molluscs, other crustaceans, worms, fungi and bacteria. Crabs are prepared and eaten all over the world as food.

6. Sea Horse – Seahorse is the name given to 54 species of small marine fishes in the genus Hippocampus. They are called 'seahorses' because their head looks like that of a horse. They live in tropical oceans. Seahorses rely on camouflage to avoid detection. Seahorses range in size from 1.5 to 35.5 cm.

7. Thorny Oyster - Thorny Oyster is a member of the clam family. Thorny Oyster's shell is shaped much like a scallop's shell. In the wild Thorny Oysters are commonly found on rocks, coral reefs, submerged wrecks and sea walls.

8. Sea Squirt - Sea squirts are a subphylum of the Chordates. They are filter feeders, living mainly from plankton. Sea squirts are rounded or cylindrical animals ranging from about 0.5 to 10 cm in size. One end of the body is always firmly fixed to rock, coral or some similar solid surface.

9. Sea Cucumber - Sea cucumbers are echinoderms from the class Holothuroidea. They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The sea cucumbers are named after their resemblance to the fruit of the cucumber plant.

10. Jelly Fish – Jellyfish are animals of the phylum Cnidaria. They have soft bell-shaped body and long, stinging, venomous tentacles that they use to catch their prey, usually small plankton animals or small crustaceans or tiny fish. Some jellyfish hunt other jellyfish. A jellyfish is 97% water.

11. Crown Conch - Crown conch, is a species of sea snail. The shell of this species is extremely variable in terms of the degree of spiny ornamentation. Some shells are much smoother than others. These snails cane as large as about 5 in (12 cm) long.

12. Star Fish - Starfish are marine invertebrates. They typically have a central disc and five arms, though some species have a larger number of arms. There are over 1500 different species of starfish. Starfish, like many sea creatures, are able to regenerate (grow back) parts of their bodies.

13. Sea Anemone - Sea anemones are a group of water-dwelling, predatory animals of the order Actiniaria. A sea anemone is a sessile polyp attached at the bottom to the surface beneath it by an adhesive foot, called a basal disc, with a column-shaped body ending in an oral disc. They can have from a few tens to a few hundred tentacles.

14. Prawn – Prawn is a common name, used for large swimming crustaceans or shrimp. Prawns are found in calmer waters were the prawns can nest in the water plants to lay their eggs. Prawns does tend to prefer the warmer waters in the tropics but some species of prawn are found in the Northern Hemisphere also.

15. Nudibranch – Nudibranchs are a widespread and successful group of marine Gastropod molluscs. The name means 'naked gills'. They are shelless and uncoiled Gastropods, famous for their brilliant colours. There are more than 3000 known species. Most nudibranchs are carnivorous.

16. Snail – A snail is a common name for a kind of mollusc. Snails are invertebrates, means animals with no backbones. The shell on the snail helps protect it and also reduces the loss of water by evaporation. Shells have many different shapes, sizes, and colours. Snails do not breathe through their mouths, instead they have a breathing hole under their shells.

17. Cowrie - Cowrie, are marine snails of the family Cypraeidae. They are found chiefly in tropical regions. There are about 200 different species of cowrie. Cowries were used as a currency in Africa. Cowry shells are sometimes used in a way similar to dice for board games.

18. Shrimp - Shrimp are widespread and abundant. They can be found feeding near the seafloor on most coasts, as well as in rivers and lakes. Many shrimp species are caught to be eaten as food. They play important roles in the food chain and are important food sources for larger animals from fish to whales.

19. Eel – An eel is any fish belonging to the order Anguilliformes. They have long and narrow bodies like snake. Adult eels can be as short as 10 cm or as long as 3 m. It depends on their species. The large eels can weigh up to 65 kg. Eels have fewer fins than other fish. They do not have all the belly and chest fins.

20. Squid – Squid are cephalopods of the order Teuthida, which comprises around 304 species. Squid have eight arms arranged in pairs and two, usually longer, tentacles with suckers. Squid are strong swimmers and certain species can "fly" for short distances out of the water. Most squid are no more than 60 centimetres long, although the giant squid may reach 13 metres (43 ft).

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