In the US and Canada, along the Pacific Coast, lives an odd-looking fish known as the rockhead poacher (Bothragonus swanii).
The rockhead poacher is a little fish with a big pit in its head. The divot may be like a drum, making sound that rises above ...
Like any other animal, fish have a lot to say. Unlike the other pets in your home, however, their way of communicating is not nearly as vocal. While pet fish can use sound to communicate, it’s not ...