Stone Fish

Scientific name: Synanceia


Stonefish are venomous marine fish classified in the genus Synanceja .The stonefishes, whose members are venomous, dangerous, and even fatal to humans. They are found in shallow waters of the tropical Indo-Pacific.  Thickset fish with large heads and mouths, small eyes, and bumpy skins covered with wartlike lumps and, sometimes, fleshy flaps, they rest on the bottom, unmoving, blending almost exactly with their surroundings in form and color. 
Stonefish is a very fast predator. It sinks itself in the sand and waits patiently for shrimps or small fish to swim by and then swallows
Although the stonefish is venomous, they are eaten by larger predators which include sharks and rays.Stonefish can also fall victim to human diet, as these dangerous fishes are served as food and consumed in some parts of Asia, including China and Japan. 
. It takes a couple of weeks for the empty glands to be refilled with venom which is a mixture of proteins, such as the haemolytic stonustoxin, protinaceous verrucotoxin and the cardioactive cardioleputin.