Gobies find themselves under intense predation pressure at low tide from birds and at high tide from larger fish. Riddle of the rock pools: How tiny fish camouflage themselves Researchers have revealed that the rock goby (Gobius paganellus), an unassuming little fish commonly found in rock pools around Britain, southern Europe, and North Africa, is a master of camouflage and can rapidly change color to conceal itself against its background.
The more we study dolphins, the brighter they turn out to be. Trained to pick up trash from the bottom of the pool in exchange for fish, one dolphin hid a piece of paper under a rock and brought it up in pieces to get more fish.
Weird tiny fish has the strongest suction powers in the animal kingdom