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- Title
Diel and lunar spawning periodicity of the hawkfish Paracirrhites forsteri (Cirrhitidae) on the reefs of Kuchierabu-jima Island, southern Japan.
- Authors
Tatsuru Kadota; Yoichi Sakai; Hiroaki Hashimoto; Kenji Gushima
- Abstract
Abstract  We observed spawning behavior of the hawkfish Paracirrhites forsteri on reefs of southern Japan. Spawning generally occurred after sunset, prior to the full and new moon with semi-lunar spawning peak periodicity. No egg predation was observed in spawning after sunset, and high tide often occurred at dusk in the lunar phases. Thus, diel timing and lunar synchronicity may increase larval survival. We found that the mating activity tended to start earlier in the day during early mating season than during mid-to-late mating season. The advantages of the earlier start of mating activity were also examined in relation to adult biology contexts.
- Subjects
JAPAN; CIRRHITIDAE; SPAWNING; REEFS; LARVAE; ANIMAL sexual behavior; ISLANDS
- Publication
Ichthyological Research, 2010, Vol 57, Issue 1, p102
- ISSN
1341-8998
- Publication type
Article
- DOI
10.1007/s10228-009-0124-z