4 Starfish are poisonous. The starfish itself is poisonous and should be consumed with care and not in excess. Starfish is a very common seafood, live starfish is poisonous, after cooking starfish can be eaten, but if not processed or eaten in the wrong way, may cause poisoning.

Starfish are carnivorous animals can feed on a variety of invertebrates, especially shellfish, crustaceans, polychaetes, and even fish. Some of them are monophagous, for example many species usually feed only on bivalves. There are also polyphagous or omnivorous species.

Morphological features

Starfish belong to the same group of echinoderms as sea cucumbers, sea urchins, and others. They usually have five wrists, but there are also four or six individuals flattened more star-shaped. The whole body by many calcareous bone plate by connective tissue combination, the body surface has prominent spines, tumors or warts and other appendages some as many as 50 wrists, in the lower side of these wrists side by side with four rows of dense tube feet.

The tube feet are used both to catch prey and to allow themselves to climb rocks, and large starfish have thousands of tube feet. The starfish's mouth is in the middle of the lower side of its body, allowing it to make direct contact with the surface of objects the starfish climbs over. Starfish body size varies, as small as 2-5 cm up to 90 cm body color also varies, almost every one has a difference, the most colors have orange red purple yellow and cyan and so on.