Changes in hypoxia tolerance during metamorphosis of bonefish leptocephali

Changes in hypoxia tolerance during metamorphosis of bonefish leptocephali

Survival times of metamorphosing leptocephali of the bonefish Albula sp. placed in hypoxic sea water (0.68 mg O sub(2)l super(-1)) decreased by about three-fold (from c. 15 to 5 min) over the 10 day metamorphic period. Increased sensitivity to hypoxia coincided with increased larval oxygen demand du...

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Veröffentlicht in:Journal of fish biology 2001-12, Vol.59 (6), p.1677-1681
1. Verfasser: Pfeiler, E
Format: Artikel
Sprache:eng
Schlagworte:
Albula
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Zusammenfassung:Survival times of metamorphosing leptocephali of the bonefish Albula sp. placed in hypoxic sea water (0.68 mg O sub(2)l super(-1)) decreased by about three-fold (from c. 15 to 5 min) over the 10 day metamorphic period. Increased sensitivity to hypoxia coincided with increased larval oxygen demand during metamorphosis. Plots of hypoxic survival time against standard length or wet mass suggested that metamorphosis (phase II of larval development) could be divided into subphases (IIa and IIb). Copyright 2001 The Fisheries Society of the British Isles
ISSN:0022-1112
1095-8649
DOI:10.1006/jfbi.2001.1795