Effects of photoperiod on growth of larvae and juveniles of the anemonefish Amphiprion melanopus

Arvedlund, M. and McCormick, M.I. and Ainsworth, T. (2000) Effects of photoperiod on growth of larvae and juveniles of the anemonefish Amphiprion melanopus. Naga, the ICLARM Quarterly, 23(2), pp. 18-23.

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Abstract

Rearing of anemonefishes is now relatively routine compared to the culture of cardinalfishes (Apogonidae) or angelfishes (Pomacanthidae). However, it is still a labor intensive, time intensive and expensive procedure. To reduce time and cost of rearing anemonefishes, experiments were undertaken to improve the methods for rearing Amphiprion melanopus. These experiments were conducted to determine the effect of the length of photoperiod on larval duration, growth to metamorphosis and early juvenile phase. Growth of larvae was significantly faster and the duration of the larval phase was significantly shorter, under a photoperiod of 16 hours light/8 hours dark, compared to the photoperiods of 12 hours light/12 hours dark and 24 hours light/0 hours dark.

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