Records on the herring shark Lamna ditropis (Lamnidae) and its embryos in the surf zone of Kunashir Island (South Kuril Strait) in February 2024

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Abstract

The discovery of a female salmon sharkLamna ditropisand two its embryos in the surf zone ofKunashir Island is reported. Data of morphometric measurements of the female are presented.TLof the female was 216 cm;aC, 195 cm. Cephalopod (Cephalopoda) beaks and codfish (Gadidae) otoliths have been found in the stomach of the shark. It is assumed that the stress trigged premature parturition.

About the authors

Y. N. Poltev

Sakhalin Branch of the Russian Federal Research Institute of Fisheries and Oceanography

Email: poltevyun@sakhniro.vniro.ru
Yuzhno-Sahalinsk, Russia

D. V. Sokov

Kurilsky Nature Reserve

Yuzhno-Kurilsk, Sakhalin Oblast, Russia

E. V. Linnik

Kurilsky Nature Reserve

Yuzhno-Kurilsk, Sakhalin Oblast, Russia

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