Jumat, 14 Oktober 2011

KLASIFIKASI IKAN TUNA

Menurut Saanin (1984), klasifikasi ikan Tuna adalah sebagai berikut :

Phylum : Chordata
Sub phylum : Vertebrata Thunnus
Class : Teleostei
Sub Class : Actinopterygii
Ordo : Perciformes
Sub ordo : Scombroidae
Genus : Thunnus
Species :
Thunnus alalunga (Albacore)
Thunnus albacores (Yellowfin Tuna)
Thunnus macoyii (Southtern Bluefin Tuna)
Thunnus obesus (Big eye Tuna)


Ikan Tuna termasuk dalam keluarga Scombroidae, tubuhnya seperti cerutu. mempunyai dua sirip pungung, sirip depan yang biasanya pendek dan terpisah dari sirip belakang. Mempunyai jari-jari sirip tambahan (finlet) di belakang sirip punggung dan sirip dubur. Sirip dada terletak agak ke atas, sirip perut kecil, sirip ekor bercagak agak ke dalam dengan jari-jari penyokong menutup seluruh ujung hipural. Tubuh ikan Tuna tertutup oleh sisik-sisik kecil, berwarna biru tua dan agak gelap pada bagian atas tubuhnya, sebagian besar memiliki sirip tambahan yang berwarna kuning cerah dengan pinggiran berwarna gelap (Ditjen Perikanan, 1983).

1 komentar:

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