Summary
Five species of antarctic fishes can be arranged in order of increasing anaerobic capacity of the white muscles for burst swimming: Rhigophila dearborni (Zoarcidae), icefish (Channichthyidae), Dissostichus mawsoni, Trematomus centronotus, and Pagothenia borchgrevinki (Nototheniidae). This order reflects increasing dependence on anaerobic work done during short bursts of speed during prey capture or predator avoidance. Buffer capacity (β) for white muscle was lower than that of behaviourally equivalent fish from lower latitudes and β is itself temperature-dependent.
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Wells, R.M.G., Summers, G., Beard, L.A. et al. Ecological and behavioural correlates of intracellular buffering capacity in the muscles of antarctic fishes. Polar Biol 8, 321–325 (1988). https://doi.org/10.1007/BF00442022
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DOI: https://doi.org/10.1007/BF00442022