a blue streak down its side. The bluestreak cleaner wrasse exhibits all sorts of interesting ... dead skin and mucus from other fish, often larger predator fish, in what's known as a symbiotic ...

But when they have access to a mirror, the fish size themselves up before deciding whether or not to fight. About the size of a human finger, bluestreak cleaner wrasse are tiny, blue, black and ...

Before deciding whether or not to fight another fish, cleaner wrasse check their own reflection in a mirror and size themselves up. First, Taiga Kobayashi at Osaka Metropolitan University in Japan ...

orange and blue bands. The black and white eyespot is visible on the end of the fish’s top fin. An Iniistius bakunawa, or eclipse-spot razor wrasse fish, from a market on Panay Island ...

In the battle against sea lice, the salmon industry has had to deploy several different weapons. As well as chemical, ...

The wrasse has thick, full lips and a forehead hump that becomes more prominent as the fish ages. Changing in color throughout their lifetimes, males range from bright electric blue, green, or ...

N.C. Division of Marine Fisheries A bright blue fish was caught off ... Connor Stone holding the colorful fish, a member of the species called puddingwife wrasse. Stone was about 10 miles from ...