Hoven’s carp Leptobarbus hoevenii strategized metabolism needs to cope with changing environment
Mohamad, Suhaini, Rahmah, Sharifah, Zainuddin, Rabiatul Adawiyyah, Thallib, Yusnita A., Razali, Ros Suhaida, Jaliliah, Mohamad, Ghaffar, Mazlan Abd., Lim, Leong-Seng, Chang, Yu Mei, Liang, Li Qun, Das, Simon Kumar, Chen, Young-Mao, and Liew, Hon Jung (2024) Hoven’s carp Leptobarbus hoevenii strategized metabolism needs to cope with changing environment. Heliyon, 10. e25559.
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Abstract
Current water warming and freshwater acidification undoubtedly affect the life of aquatic animals especially ammonotelic teleost by altering their physiological responses. The effect of temperature (28 °C vs 32 °C) and pH (7 vs. 5) on the metabolic compromising strategies of Hoven's carp (Leptobarbus hoevenii) was investigated in this study. Fishes were conditioned to (i) 28 °C + pH 7 (N28°C); (ii) 32 °C + pH 7 (N32°C); (iii) 28 °C + pH 5 (L28°C) and (iv) 32 °C + pH 5 (L32°C) for 20 days followed by osmorespiration assay. Results showed that feeding performance of Hoven's carp was significantly depressed when exposed to low pH conditions (L28°C and L32°C). However, by exposed Hoven's carp to L32°C induced high metabolic oxygen intake and ammonia excretion to about 2x-folds higher compared to the control group. As for energy mobilization, Hoven's carp mobilized liver and muscle protein under L28°C condition. Whereas under high temperature in both pH, Hoven's carp had the tendency to reserve energy in both of liver and muscle. The findings of this study revealed that Hoven's carp is sensitive to lower water pH and high temperature, thereby they remodeled their physiological needs to cope with the environmental changes condition.
| Item ID: | 84029 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 2405-8440 |
| Keywords: | Climate change, Osmorespiration, Physiology, Energy, Teleost |
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| Copyright Information: | © 2024 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| Date Deposited: | 12 Nov 2024 00:45 |
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