Nemo had a disorder called kissing spines, in which the dorsal fin-shaped tops of his vertebrae lost the spacing in between ...

Mesmerizing, kaleidoscopic, and fabulously exotic, the huge variety of types of saltwater fish to pick for your aquarium will ...

The oarfish, scientifically known as Regalecus glesne, is a deep-sea dwelling creature that rarely surfaces. Its elongated, ...

Most animals with monstrous appearances are relatively harmless to humans. Here's the truth behind creepy creatures like the ...

A new discovery out of China from the early Silurian is a fish called Shenacanthus, which is shark-like, having shark-like dorsal fin spines, but it's got armored plates around the head ...

1. Body with one to three dark blotches along sides. Dorsal fin with 17-20 spines. Etroplus maculatus Body with transverse bands.2 2. Dorsal fin with 18 or 19 spines. Anal fin with 12 or 13 spines and ...

Sharks, ancient cartilaginous fishes, have existed for over 410 million years, surviving five mass extinctions through their ...

They have diamond-shaped scales and have spines in front of all their fins ... forked tails, and dorsal fins. How did sharks survive five mass extinction events? <p><br><b>How did sharks survive ...

If the fin is divided, a slash shows the position of the split - DX/I, 8-10 shows a dorsal fin that's split into two after the tenth spine. If there are several dorsal fins, each gets a separate ...

The shape of the spine also indicates that the species may have had a dolphin-like dorsal fin, a first for mosasaurs. Since 2010, the Wakayama Prefectural Museum of Natural History and other ...

They have a dark red coloration, with males sporting dark banding on the face and yellow fins. Some individuals sport large dorsal spines. Their coloration allows them to easily camouflage and blend ...