Is an octopus classed as a fish?
Yes, a mollusk — like your commonplace garden snail. To be extra particular, an octopus belongs to a unique class of mollusks known as cephalopods. To put it in simpler phrases, this why an octopus has no bones — no skeleton — it is an invertebrate. A fish has a spine and a skeleton — it is a vertebrate.
Is an octopus a mollusk or a cephalopod?
octopus, plural octopuses or octopi, on the whole, any eight-armed cephalopod (octopod) mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a huge team of broadly dispensed shallow-water cephalopods.
Is an octopus an arthropod?
The octopus is an aquatic animal which has eight-limbed molluscs of the order Octopoda. They belong to the phylum Mollusca. Arthropods and Annelid, each come with worms whilst cnidarians most commonly include marine animals such as corals, hydras and jellyfish and so on.
Is an octopus thought to be a mollusk?
Octopus, plural octopuses or octopi, basically, any eight-armed cephalopod (octopod) mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a huge staff of extensively distributed shallow-water cephalopods.
Is an octopus a arthropod?
Is a octopus an arachnid?
TIL that an octopus is now not classed as an arachnid as it doesn’t have a skeleton.
Why is octopus a mollusk?
These are mollusks with two shells that they can close up tight for defense. Finally there is Cephalopoda , the squids and octopuses. They only are living in salt water, so we won’t say much about them here. They haven’t any shells, but are higher, smarter, and faster than their relations within the other teams.
What classifies a mollusk?
mollusk, additionally spelled mollusc, any soft-bodied invertebrate of the phylum Mollusca, in most cases wholly or partly enclosed in a calcium carbonate shell secreted by way of a mushy mantle masking the body.