Evidence for this function first came from studies of the organ's anatomy and its nerves as well ... Its teeth are designed not so much to grab or slice fish but to prevent them from escaping ...

Fins: Help a fish move. The top fins are called dorsal fins. If there are two dorsal fins, the one nearest the head is called the first dorsal fin and the one behind it is the second dorsal fin.

"When the mudskippers are in their larval state, they look no different from many other goby fish larvae, but during metamorphosis, they change their body and fin anatomy rapidly. We want to look ...