When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...
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 ...
A cavity in the middle of the rockhead poacher’s skull might be used like a maraca to produce sound, new research suggests.
A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...
Spots, warts, and parasites on fish can look alarming. Learn what common fish diseases look like and whether infected fish ...
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