甲殻類

First record of Argulus coregoni (Branchiura: Argulidae), a skin parasite of freshwater fishes, from Kyushu, Japan (Kazuya Nagasawa, Taka-aki Yoshino, Yukio Iwatsuki)

The argulid branchiuran Argulus coregoni Thorell, 1865 is reported based on two adult males from the…
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甲殻類

Brachiella thynni (Copepoda: Lernaeopodidae) parasitic on wahoo, Acanthocybium solandri, from off Japan, with an observation of its infection in the pectoral-fin axil of the host (Kazuya Nagasawa, Takuya Sato and Kei Okamoto)

The lernaeopodid copepod Brachiella thynni Cuvier, 1830 is reported based on two ovigerous females f…
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甲殻類

Caligid copepods parasitic on yellowfin tuna, Thunnus albacares, and bigeye tuna, Thunnus obesus, in the western North Pacific Ocean off central Japan, with a list of parasitic copepods of tunas (Auxis spp., Euthynnus affinis , Katsuwonus pelamis, and Thunnus spp.) in Japan (1894–2018) (Kazuya Nagasawa , Hiroshi Ashida , Takuya Sato)

A sample of yellowfin tuna, Thunnus albacares (Bonnaterre, 1788), and bigeye tuna, Thunnus obesus (L…
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鉤頭動物

Further records of Pseudoacanthocephalus cf. bufonis (Acanthocephala: Echinorhynchidae) infecting anurans in the Ryukyu Islands, southern Japan (Kazuya Nagasawa and Yasuyuki Nakamura)

Echinorhynchid acanthocephalans, reported as Pseudoacanthocephalus cf. bufonis in this paper, were f…
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