Halosaur

Aldrovandia sp. in 1736 meters depth on the Davidson Seamount off the coast of California.

The Echsenaale ( Halosauridae ) live with 16 species in three genera worldwide in the deep sea. The name comes from the Greek and means " sea lizard". However, the animals are not lizards, but True bonefish.

Features

The animals have an elongated body with a sharp whip-like tail that can be regenerated as in lizards, when he was lost. The anal fin is the largest fin and extends to the tail end. The mouth is inferior, eyes wide. Echsenaale have large cycloid scales. The lateral line runs along the ventral edge to light organs can to her are, they have no swim bladder. Echsenaale are usually gray, brown or black. Some live animals have been filmed by remotely operated vehicles.

The largest species is the 90 -centimeter-long Halosauropsis macrochir, which was 3300 meters already found at a depth. The remaining species are 34-68 inches long.

Way of life

Echsenaale move slowly at the low temperatures of about 4 to 10 ° C with rhythmic vibrations of the body on the ground, waiting to be made ​​up of worms, echinoderms and crustaceans prey.

System

There are 16 species in three genera.

  • Aldrovandia Aldrovandia affinis ( Günther, 1877).
  • Aldrovandia gracilis Goode & Bean, 1896.
  • Aldrovandia mediorostris ( Günther, 1887).
  • Aldrovandia oleosa Sulak, 1977.
  • Aldrovandia phalacra ( Vaillant, 1888).
  • Aldrovandia rostrata ( Günther, 1878).
  • Halosauropsis macrochir ( Günther, 1878).
  • Halosaurus attenuatus Garman, 1899.
  • Halosaurus carinicauda ( Alcock, 1889).
  • Halosaurus guentheri Goode & Bean, 1896.
  • Halosaurus johnsonianus Vaillant, 1888.
  • Halosaurus ovenii Johnson, 1864.
  • Halosaurus pectoralis McCulloch, 1926.
  • Halosaurus radiatus Garman, 1899.
  • Halosaurus ridgwayi ( Fowler, 1934).
  • Halosaurus sinensis Abe, 1974.
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