Evidence of spawning by hermaphroditic skipjack tuna Katsuwonus pelamis

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 2018 English Publisher:WileyJournal:Journal of Fish Biology, volume 93, pages 1,233-1,237 (issn: 0022-1112, eissn: 1095-8649,

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Authors: Hiroshi, Ashida; Shinpei, Ohashi; Masachika, Masujima; Masaaki, Nakano; Tamaki, Shimose;

doi: 10.1111/jfb.13842

pmid: 30345516

Evidence of spawning by hermaphroditic skipjack tuna Katsuwonus pelamis

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Abstract

Hermaphroditic gonads were collected from three skipjack tuna Katsuwonus pelamis in the western and central Pacific Ocean. Both ovarian and testicular tissues were found in the same gonad lobe for each of the three fish. Histological sections of the hermaphroditic gonad from one K. pelamis showed postovulatory follicles, which is evidence of spawning.

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Keywords

Sexual Behavior, Animal, Pacific Ocean, Tuna, Oocytes, Animals, Hermaphroditic Organisms, Gonads

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