Okishaid (Centroscyllium)

Okishaid (Centroscyllium), kõhrkalade perekond ogahailiste (Squaliformes) seltsi tumehailaste (Etmopteridae) sugukonnast. Kõikides ookeanides peale Põhja-Jäämere. Pikkus vahemikus 28-107 cm. Värvus hallist mustani.

7 liiki (FishBase, 2018):

Centroscyllium excelsum Shirai & Nakaya, 1990 (highfin dogfish) – puriuim-okishai

Centroscyllium fabricii J. C. H. Reinhardt, 1825 (black dogfish) – must okishai

Centroscyllium granulatum Günther, 1887 (granular dogfish) – kore okishai

Centroscyllium kamoharai T. Abe, 1966 (bareskin dogfish) – paljas okishai

Centroscyllium nigrum Garman, 1899 (combtooth dogfish) – kammhamb-okishai

Centroscyllium ornatum Alcock, 1889 (ornate dogfish) – ehis-okishai

Centroscyllium ritteri Jordan & Fowler, 1903 (whitefin dogfish) – valgeuim-okishai

Juuni, 2018

Vaata lisaks:

Must okishai (Centroscyllium fabricii)
Tumehailased (Etmopteridae)
Kalale.ee KIK