Pygmy lanternshark
Etmopterus fusus is a species of the genus Etmopterus within the lantern sharks ( Etmopterinae, is classified as a family Etmopteridae ). It reaches a body length of about 25 inches with a maximum length of at least 30 centimeters. The range of the species includes parts in the eastern Indian Ocean off the coast of northwestern Australia ( selective evidence ), and eventually in the island of Java.
Appearance and characteristics
Etmopterus fusus is a very small shark with a known body length of about 25 inches with a maximum length of at least 30 centimeters. He has a lantern sharks for the typical elongated body with a long, broad, upper side flattened head. The body color is dark gray to black and the bottom is very dark. He also has black markings above and behind the anal fins, the caudal peduncle and the central part of the caudal fin. The fins are slightly lighter than the body and have black borders. He also has the typical for the lantern sharks light organs on the ventral side.
It has no anal fin and two dorsal fins with the regulatory typical spines before the dorsal fin. The first dorsal fin starts behind the pectoral fins and is less as large as the second half as. Like all species of the family owned pets five gill slits and have a spray hole behind the eye.
Dissemination
The range of the species includes parts in the eastern Indian Ocean off the coast of northwestern Australia ( selective evidence ), and eventually in the island of Java. Here it is known from depths of 430-550 m.
Way of life
Etmopterus fusus lives in the region of the upper continental shelf to the bottom. Like other sharks it feeds predatory, probably of smaller fish and invertebrates. About his life are very little data. He is like other species of the order viviparous ( ovoviviparous ).
Endangering
Etmopterus fusus is listed in the IUCN Red List as not at risk. However, it has no meaning as a food fish and is accordingly no directed fishing.