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Onset of sexual maturity in captivereared\ud endangered Indian seahorse,\ud Hippocampus kuda

By M Thangaraj, A P Lipton and A C C Victor

Abstract

The endangered Indian seahorse, Hippocampus kuda\ud successfully reared in captive conditions for more\ud than two years, repeatedly spawned and produced F2\ud generations. In F1 males, brood pouch started developingfrom 55 to 60 days of birth. The courtship behaviour\ud was noted 30 days subsequently and males\ud started receiving eggs in their pouch when their body\ud length attained 101.0 ± 2.0 mm. Females started transferring\ud eggs into the male brood pouch when their\ud body length reached 110.0 ± 2.0 mm. The sexual maturity\ud of male was earlier than that of female. Compared\ud to the age (in days), the size was inferred as a reliable\ud factor to predict the onset of maturity in this species

Topics: Seahorse
Year: 2006
OAI identifier: oai:eprints.cmfri.org.in:6196

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