Electric ray

Black Polka Dot torpedo ray ( Torpedo fuscomaculata )

The dither Roche -like ( Torpediniformes ) are the rays on both sides of her front body have strong kidney-shaped electric organs. They consist of vertical hexagonal columns, which have evolved from muscles. Electric shocks are used in mild doses for orientation, strong blows to stun prey or for defense. It can be achieved strengths of several hundred volts. The electric organs that have the genuine ray ( Rajidae ) on both sides of the tail are missing.

Head and torso form a disk- shaped disk together with the pectoral fins. Your skin is completely naked, soft, loose and rich glands. The eyes are small, some species are also blind. The caudal fin is well developed. A sting is not available. The fish may have two, one or no dorsal fin.

Jitter Roche Family are viviparous, the young fish hatch in the womb from the egg and the yolk sac, and nourished called from a uterine milk secretion.

System

There are four families, twelve genera and 62 species.

• Pear electric ray ( Hypnidae )
• Narcinidae
• Sleeper ray ( Narkidae )
• Electric ray ( Torpedinidae )