Coward or braveheart: extreme habitat fidelity through hypoxia tolerance in a coral-dwelling goby.

@article{Nilsson2004CowardOB,
  title={Coward or braveheart: extreme habitat fidelity through hypoxia tolerance in a coral-dwelling goby.},
  author={G{\"o}ran E Nilsson and Jean-Paul A Hobbs and Philip L Munday and Sara Ostlund-Nilsson},
  journal={The Journal of experimental biology},
  year={2004},
  volume={207 Pt 1},
  pages={33-9}
}
Coral reef fishes are not known for their hypoxia tolerance. The coral-dwelling goby, Gobiodon histrio, rarely leaves the shelter of its host coral colony. However, our measurements indicate that this habitat could become hypoxic on calm nights ([O(2)] minima=2-30% of air saturation) due to respiration by the coral and associated organisms. Moreover, at very low tides, the whole coral colony can be completely air exposed. Using closed respirometry in water, we found that G. histrio maintains O… CONTINUE READING
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