Tribute to P. L. Lutz: respiratory ecophysiology of coral-reef teleosts

Nilsson, Göran, Hobbs, Jean-Paul A., and Östlund-Nilsson, Sara (2007) Tribute to P. L. Lutz: respiratory ecophysiology of coral-reef teleosts. Journal of Experimental Biology, 210 (10). pp. 1673-1686.

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One of the most diverse vertebrate communities is found on tropical coral reefs. Coral-reef fishes are not only remarkable in color and shape, but also in several aspects of physiological performance. Early in life, at the end of the pelagic larval stage, coral-reef fishes are the fastest swimmers of all fishes in relation to body size, and show the highest specific rates of maximum oxygen uptake. Upon settling on the reef, coral-reef fishes have to adopt a demersal lifestyle, which involves coping with a habitat that can become severely hypoxic, and some fishes may even have to rely on air breathing when their coral homes become air exposed. Oxygen availability appears to be a major ambient selection pressure, making respiratory function a key factor for survival on coral reefs. Consequently, hypoxia tolerance is widespread among coral-reef fishes. Hypoxia can even be a factor to gamble with for those fishes that are mouthbrooders, or a factor that the coral inhabitants may actively seek to reduce by sleep-swimming at night. Here, we summarize the present knowledge of the respiratory ecophysiology of coral-reef teleosts. From an ecophysiological perspective, the coral reef is an exciting and largely unexplored system for testing existing hypotheses and making new discoveries.

Item ID: 2433
Item Type: Article (Research - C1)
ISSN: 1477-9145
Keywords: hypoxia; coral reef; fish larvae; Pomacentridae; Gobiidae; Apogonidae
Date Deposited: 21 Jul 2009 03:59
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060299 Ecology not elsewhere classified @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
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