marine invertebrate
Sea creature, boneless
A marine invertebrate is any ocean-dwelling animal without a backbone—jellyfish, octopuses, crabs, sea urchins, corals, sponges.
The category encompasses the vast majority of animal species in the ocean.
The tide pool was full of marine invertebrates.
- starfishFive-armed marine invertebrate
- clamSand-dwelling hinged shellfish
- giant clamLargest bivalve species
- molluskSoft-bodied invertebrate, often shelled
- crabPincer-bearing shellfish
nautilus · octopus · exoskeleton · arthropod · jellyfish · squid · nudibranch · filter feeder · comb jelly · snail · coral · sea pen · sea urchin · krill · sea squirt · sponge · copepod · lobster
vertebrate status
marine invertebratefish
Gilled aquatic vertebrate
whale · shark · dolphin · sea turtle · marine mammal