Feeding ecology and diet

Ctenophores are predators feeding on a wide variety of prey items, including but not limited to jellies, copepods, ctenophores, mollusks, fish larvae, and salps. Some ctenophores exhibit prey selectivity, feeding along thermoclines or along the ocean bottom. Metabolic rates vary among ctenophores, with respiratory and excretory rates a direct linear function of animal weight (ash-free dry weight) and these rates are very temperature sensitive. The differences in metabolic rates between genera are exemplified by the basic metabolic requirement of 1.5 mg carbon (C) per day for Beroe, 260 mg C per day for Bolinopsis, and 2,600 mg C per day for Mnemiopsis.

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