yes they are!
All insects are invertebrates, as are crustaceans such as lobsters and crabs. Clams, octopus, squid, and jellyfish are all invertebrates.
jellyfish
invertebrates, such as squid or octopus
squid, octopus, and you.
Squid, jellyfish and octopuses are examples of ocean invertebrates.
Squid, octopus, worms, snails, caterpillars, crab, starfish, jellyfish, spiders, sponges, lice, ants, mites, and flies have no backbones.
Fish, squid, crabs, lobsters, shrimp, sea urchins, and octopus.
octopus,squids,jellyfish,and coral have tentacles for capturing their prey
The term invertebrate means a spineless animal. Squid and octopus do not have spines, so yes. They are invertebrates.
They are invertebrates that are very similar in anatomy to squid, excepting the number of arms.
Animal life without a backbone or skeleton are called "invertebrates" like for instance; slugs, worms, jellyfish, sea anemones, starfish, octopus, squid, leeches, hag fish, and cuttlefish are all boneless animals.
jellyfish sting you and clams dont harm you at all:)!