Synonyms and antonyms of Sea animals in British Thesaurus

conger eel (noun)

a sea animal like a snake that lives in warm parts of the Atlantic Ocean

coral (noun)

a very small sea creature that lives in large groups that look like plants, in places where the water is warm

cuttlefish (noun)

a sea creature with ten arms

dolphin (noun)

a large sea animal, similar to a fish, with a long nose. Dolphins are known for being intelligent and friendly.

humpback (noun)

a humpback whale

humpback whale (noun)

a dark grey or black whale with a large round back

jellyfish (noun)

a soft round sea animal that you can see through. Many types of jellyfish sting you if you touch them.

man-of-war (noun)

a Portuguese man-of-war

octopus (noun)

a sea animal with a soft round body and eight long arms called tentacles

plankton (noun)

very small animals and plants that live in water and are eaten by fish

polyp (noun)

biology a small sea animal with a body like a tube and tentacles around its mouth

porpoise (noun)

a large sea animal, similar to a dolphin, that comes to the surface to breathe air

Portuguese man-of-war (noun)

a soft transparent sea animal that floats on top of the sea and has a strong sting

sea anemone (noun)

a small brightly-coloured sea animal that looks like a flower and fixes itself onto a rock

seahorse (noun)

a small sea fish that swims in an upright position and has a head that looks like a horse’s head

seal (noun)

a large sea animal that eats fish and lives mainly in cold parts of the world. Seals are amphibious (=they can live both in water and on land). A young seal is called a pup.

sea lion (noun)

a large type of seal

sperm whale (noun)

a large whale that is sometimes hunted for its oil and fat

sponge (noun)

a sea animal whose light soft body is used for washing or cleaning things

squid (noun)

a sea animal like an octopus but with ten arms instead of eight

starfish (noun)

a small flat sea animal with five or more arms in the shape of a star

turtle (noun)

British an animal with a shell and four short legs that lives mainly in the sea

walrus (noun)

a large sea animal that has two very long tusks that stick down from the upper part of its mouth

whale (noun)

a very large sea animal that breathes air through a hole on the top of its head