Macrurocyttus acanthopodus

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Macrurocyttus acanthopodus
Macrurocyttus acanthopodus Fowler 1934.jpg

Macrurocyttus acanthopodus

Systematics
Paracanthopterygii
Order : Petersfisch (Zeiformes)
Family : Grammicolepididae
Subfamily : Macrurocyttinae
Genre : Macrurocyttus
Type : Macrurocyttus acanthopodus
Scientific name of the  subfamily
Macrurocyttinae
Myers , 1960
Scientific name of the  genus
Macrurocyttus
Fowler , 1934
Scientific name of the  species
Macrurocyttus acanthopodus
Fowler, 1934

Macrurocyttus acanthopodus is a marine fish from the order of the St. Peter's fish-like (Zeiformes). It occurs in the western Pacific from the Philippines to Australia. The fish lives at depths of 330 to 1140 meters. Due to the deep habitat, its way of life is still unknown.

features

Macrurocyttus acanthopodus becomes 3.8 cm long and has a laterally flattened, oval body (head length = body height). The head is scaly, the body covered with small scales or scaly. The head and front body of Macrurocyttus acanthopodus are black-brown in color, the rear part of the body and the fins are brownish or smoke-colored.

The eyes are large, their diameter is twice the length of the mouth, and make up 30 to 52% of the length of the head. The mouth is protractile (can be turned forward). Both jaws are set with a row of tiny, conical teeth. The ploughshare is toothless. The gill trap rays are rudimentary. The number of vertebrae is 25 to 34.

The first of the two dorsal fins is supported by four to seven spines, the second by 25 to 30 soft rays. The second fin spine is the longest and sawn on its front. The anal fin has a rudimentary fin spine (it can also be missing) and 25 to 32 soft rays. The caudal fin is rounded or straight and has 12 to 16 fin rays .

The pectoral fins are much shorter than the head and are supported by 12 to 17 fin rays. The pelvic fins have a strong fin spine and two, three or six soft rays. In Macrurocyttus acanthopodus the lateral line has been completely replaced by fleshy tubercles.

literature

  • Kent E. Carpenter & Volker H. Niem: FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 4. Bony fishes part 2 (Mugilidae to Carangidae) . Page 2257, Rome, FAO . 1999. pp. 2069-2790.

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