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Free Content Social Organization and Reproductive Behavior of the Hawkfish Cirrhitichthys Falco (Cirrhitidae)

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Abstract:

The social organization and reproductive behavior of the hawkfish Cirrhitichthys falco Randall (Cirrhitidae) was studied at Tanguisson Reef, Guam and at additional Pacific localities. Single males dominated social groups of 1–7 females; “sneaker” males and juveniles were also present in some social groups. Male-male social interactions were rare and limited to encounters between dominant males and sneaker males, rather than adjacent dominant males. Male-female, female-female and male-juvenile interactions were usually limited to the onset of dusk. Interspecific interactions were also common at this time.

Courtship and spawning behavior was sequential and occurred daily at the Tanguisson site, commencing just after sunset and continuing until darkness. Thirteen motor patterns were utilized during courtship resulting in pelagic spawning.

Document Type: Research Article

Publication date: September 1, 1987

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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