Influence of temperature on hatching success of skipjack tuna (Katsuwonus pelamis): Implications for spawning availability of warm habitats

被引：0

作者：

Fujioka, Ko ^{[1
,3
]}

Aoki, Yoshinori ^{[1
]}

Tsuda, Yuichi ^{[1
]}

Okamoto, Kei ^{[1
]}

Tsuchida, Hiroyuki ^{[2
]}

Sasaki, Akira ^{[2
]}

Kiyofuji, Hidetada ^{[1
]}

机构：

[1] Japan Fisheries Res & Educ Agcy, Fisheries Resources Inst, Fisheries Stock Assessment Ctr, Highly Migratory Resources Div, Yokohama, Japan

[2] Kagoshima City Aquarium, Kagoshima, Japan

[3] Tokai Univ, Sch Marine Sci & Technol, Dept Marine Biol, 3-20-1 Orido,Shimizu Ku, Shizuoka 4248610, Japan

来源：

JOURNAL OF FISH BIOLOGY | 2024年 / 105卷 / 01期

关键词：

captive; hatching; rate; skipjack; spawning; temperature; PACIFIC BLUEFIN TUNA; THUNNUS-ORIENTALIS; CLIMATE-CHANGE; LARVAE; DYNAMICS;

D O I：

10.1111/jfb.15767

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Exploring the effects of water temperature on egg development in skipjack tuna (Katsuwonus pelamis) has substantial implications for evaluations of wild spawning habitats. In the present study, we examined the hatching success and duration as a function of temperature from 21 to 33 degrees C under captive environments. A high hatching rate of over 50% between 23 and 31 degrees C was observed, with the shortest hatching duration at 31 degrees C. Because the egg period is vulnerable to predators, a shortened hatching duration with warming water would be ecologically advantageous for K. pelamis, as its main spawning grounds are located in tropical areas.

引用

页码：372 / 377

页数：6

共 31 条

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