Today’s portable all-in-one fish finders harken back to the first flasher I ran in my 14-foot Lund as a kid, the Lowrance “Little Green Box.” It opened from the top to reveal the red-flashing, ...

Looking back, I could see the green ... box” of fisheries science: Fertilized eggs go in, and young fish come out—but what happens inside remains sketchy. The larval fish are so small and ...

Bluestreak cleaner wrasses are entrepreneurial fish. This tiny, shiny species sets up shop in coral reefs, where it eats parasites off of client fish, some of them big and hungry. It's a dangerous ...

A tiny fish that lives in the ... have the ability to convert blue light into green, red or yellow light. This trait is incredibly rare in Arctic fish, who live in extended periods of darkness.