Nautiloidea is an ancient subclass of cephalopods. Today only a handful of living species remain—notably Nautilus and Allonautilus—while most nautiloids are known from the fossil record.Modern nautiluses are famous for their external, chambered shell, the shell‑traversing siphuncle andfine...
Dumbo Octopus (scientific name: Grimpoteuthis bathynectes), also known as Dumbo Octopus in foreign languages, is a peculiar "octopus".In January 2014, marine biologists discovered this 6-foot-long octopus-a strange "octopus" more than a mile deep in the Mid-Atlantic Ridge. This o...
Introduction: Understanding Cuttlefish（cuttles） and Their Ink-Spraying Defense MechanismCuttlefish, orcuttles are fascinating marine animals, closely related to squids and octopuses, known for their remarkable intelligence, complex behavior, and ability to rapidly change color. One of the mo...
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