Over the water temperature and fish size ranges investigated in the
study the allocations of food (or assimilated) energy to growth (Average:
26% for G/C and 29% for G/A) were much less than to metabolism (Average:
62% for G/C and 69% for G/A) irrespective of water temperature and
fish size. Cobia is a carnivorous, coastal pelagic fish with characteristics of
migrating long distance and hunting ferociously, which might result in a
large energy demand for metabolism. However, the other features for
cobia are their rapid growth and large size though energy expended in
prey-hunting, cruising, and food digestion constitutes amajor proportion
of food energy. According to the data of FC, SGR, FCE and energy budgets,
it could be speculated that fast growth resulted mainly from large food
consumption though improved energy utilization with increased fish
size at 27–33 °C made a certain contribution for cobia.
Over the water temperature and fish size ranges investigated in thestudy the allocations of food (or assimilated) energy to growth (Average:26% for G/C and 29% for G/A) were much less than to metabolism (Average:62% for G/C and 69% for G/A) irrespective of water temperature andfish size. Cobia is a carnivorous, coastal pelagic fish with characteristics ofmigrating long distance and hunting ferociously, which might result in alarge energy demand for metabolism. However, the other features forcobia are their rapid growth and large size though energy expended inprey-hunting, cruising, and food digestion constitutes amajor proportionof food energy. According to the data of FC, SGR, FCE and energy budgets,it could be speculated that fast growth resulted mainly from large foodconsumption though improved energy utilization with increased fishsize at 27–33 °C made a certain contribution for cobia.
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