Halosauropsis macrochir
| Halosauropsis macrochir | ||||||||||||
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Halosauropsis macrochir |
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Halosauropsis | ||||||||||||
| Collett , 1896 | ||||||||||||
| Scientific name of the species | ||||||||||||
| Halosauropsis macrochir | ||||||||||||
| ( Günther , 1878) |
Halosauropsis macrochir is a deep sea fish from the family of lizard eels (Halosauridae). It is widespread between 50 ° north and 47 ° south latitude in the Atlantic, Pacific and western Indian Oceans at depths of 1,100 to 3,300 meters.
features
Halosauropsis macrochir becomes 90 cm long. The species has an eel-like body that is long but flattened at the side. The tail is slender and pointed. A caudal fin is missing. The dorsal fin is short and supported by 11 to 13 rays . The eye is medium-sized, the mouth small and subordinate. Halosauropsis macrochir is gray-black to bluish-black, the top of the head and the "throat" ( isthmus between the gills and the Branchiostegal membrane ) are black. The side line is heavily pigmented. The top of the head is scaly, the gill cover is scaled.
Way of life
Halosauropsis macrochir lives on the lower continental shelf , the continental slopes and the upper abyssal between the 4 and 2 ° C isotherms . It usually hovers close to the sea floor or lies on it. The long, slender pectoral fins are usually held up and forward. They could have a sensory function. Halosauropsis macrochir feeds on invertebrates such as polythorns , echinoderms and crustaceans .
literature
- Joseph S. Nelson : Fishes of the World . John Wiley & Sons, 2006, ISBN 0-471-25031-7 .
Web links
- Halosauropsis macrochir on Fishbase.org (English)