NDLI: Effect of temperature and salinity on hatching and larval survival of yellowfin tuna Thunnus albacares

Content Provider	Springer Nature Link
Author	Kim, Yang Su Delgado, Darys Isabel Cano, Ing. Amado Sawada, Yoshifumi
Copyright Year	2015
Abstract	Effects of temperature and salinity on hatching rate and normal larval rate at hatching, and survival of fasting larvae after hatching (survival activity index; SAI) were investigated using spontaneously spawned eggs of captive yellowfin tuna (Thunnus albacares, YFT). Within the range of experimental temperatures, 23–35 °C, at 32 psu salinity, hatching and normal larval rates and SAI were highest at 23 and 26 °C. In the experiment exploring the most suitable salinity within the range 23–38 psu, 35 and 38 psu gave the highest hatching rate and normal larval rate; however, SAI was highest at 26 psu. The results of multi-factor experiments in each temperature (23, 26, and 29 °C) with each salinity (32, 35, and 38 psu) indicated interactive effects of temperature and salinity on the three indices and within the experimental ranges gave an optimal combination of 23 °C and 38 psu for YFT hatching and survival.
Starting Page	891
Ending Page	897
Page Count	7
File Format	PDF
ISSN	09199268
Journal	Fisheries Science
Volume Number	81
Issue Number	5
e-ISSN	14442906
Language	English
Publisher	Springer Japan
Publisher Date	2015-06-26
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Yellowfin tuna Hatching rate Normal larval rate Survival activity index Temperature Salinity Interaction Fish & Wildlife Biology & Management Freshwater & Marine Ecology Food Science
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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