Antarctic predatory fish

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Antarctic predatory fish
Harpagifer antarcticus

Harpagifer antarcticus

Systematics
Spinefish (Acanthopterygii)
Perch relatives (Percomorphaceae)
Order : Perch-like (Perciformes)
Subordination : Antarctic fish (Notothenioidei)
Family : Harpagiferidae
Genre : Antarctic predatory fish
Scientific name of the  family
Harpagiferidae
Gill , 1861
Scientific name of the  genus
Harpagifer
Richardson , 1844

The Antarctic predatory fish ( Harpagifer ) ( Gr .: harpago = robbery, Lat .: ferre = bring) are a family of the Antarctic fish (Notothenioidei). They live on the coast of Antarctica and the southern part of South America, as well as on sub-Antarctic islands such as the Kerguelen and Macquarie Island .

features

The fish are elongated, the bullheads similar ground dwellers and are 7 to 9.5 centimeters long. Your body is flaky. They have two clearly separated dorsal fins , the first is short and supported by one to seven flexible fin spines. The mouth can be turned forward (protractile). A goatee is missing. The gill cover and the gill cover are each covered with a strong sting. The gill membranes have grown together on the gill isthmus. The species of Antarctic predatory fish have 34 to 37 vertebrae and three hypuralia (bones of the tail skeleton).

Systematics

The Antarctic predatory fish form a monophyletic clade with the Artedidraconidae , which were previously assigned to them as a subfamily, and are their sister group .

species

literature

Web links

Commons : Antarctic predatory fish  - Collection of images, videos and audio files