#theres so much info on hagfishes its hard to pick just one or two things. most people already know them for their slime

[fishyfishyfishtimes]

Fish fact #476

Hagfish!

This class of 88 different species are interesting fish, as they are the only animals to have a skull made of cartilage but no spine!

#theres so much info on hagfishes its hard to pick just one or two things. most people already know them for their slime #but they can also squeeze through crevices less than half their body width #they have only simple eye spots and no complex eyes but fossil evidence suggests they used to have the latter #theyre more or less living fossils #the way they produce their slime could be a whole single fish fact #but perhaps ill name all these in a proper fact another time #fish #fishfact #fish facts #fishblr #marine biology #marine life #marine animals #sea creatures #sea animals #sea life #deep sea #deep sea fish #biology #zoology #hagfish