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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


ORTEGA-SALAS, A.A  and  REYES-BUSTAMANTE, H. Fecundity, survival, and growth of the seahorse Hippocampus ingens (Pisces: Syngnathidae) under semi-controlled conditions. Rev. biol. trop [online]. 2006, vol.54, n.4, pp.1099-1102. ISSN 0034-7744.

We studied fecundity, survival, and growth of the seahorse Hippocampus ingens under semi-controlled conditions. Three wild brood stock mature males of 14.8, 24.5, and 32.0 g released 1 598, 1 703, and 1 658 juveniles. Juvenile stocking densities of 12 were settled in 60-l aquariums in groups of 1, 12, and 20 days old organisms. The rate of survival was 21.5, 61.9, and 59.0 %, respectively, in 35 days. Juveniles were fed a mix diet of rotifers B. plicatilis and Artemia nauplii, then they were transferred to a cement tank of 100 000 l at a density of 50/1 000 l and fed with live adult Artemia for 60 days more. They grew from an average of  0.7, 1.5, and 2.7 to 4.5, 5.4, and 6.7 cm, respectively, in 95 days. The seawater temperature varied from 17 to 23 oC. Rev. Biol. Trop. 54 (4): 1099-1102. Epub 2006 Dec. 15.

Keywords : seahorse; Hippocampus ingens; aquaculture; growth; mortality.

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