A red cap goldfish, or “oranda”. These are characterized by a prominent hood that covers the head – which let’s face it, look like their brains are on show. Originally from China, they are popular aquarium pets today.
Meet Promachoteuthis sulcus, a bizarre creature straight out of your nightmares. It's a species of promachoteuthid squid and only one specimen has been found to date. It was captured in the Southern Atlantic Ocean at a depth of in
Bubble-Eye Goldfish: This unmistakable variety is characterized by the presence of large, bubblelike sacs under its eyes. As in the case of Celestials, Bubble-Eyes have a long body shape, lack a dorsal fin, and have a double caudal fin.