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Title: Life History Characteristics of a Small Cardinalfish, Ostorhinchus rubrimacula (Percoidei: Apogonidae), from Koro, Fiji.
Authors: Longenecker, Ken
Langston, Ross.
LC Subject Headings: Natural history--Periodicals.
Science--Periodicals
Natural history--Pacific Area--Periodicals.
Issue Date: Apr-2006
Publisher: Honolulu, University of Hawaii Press
Citation: Longenecker, K, Langston, R. Life History Characteristics of a Small Cardinalfish, Ostorhinchus rubrimacula (Percoidei: Apogonidae), from Koro, Fiji. Pac Sci 60(2): 225-234.
Series/Report no.: vol. 60, no.2
Abstract: We describe aspects of the life history of the small cardinalfish Ostorhinchus rubrimacula from a single, large collection taken at Koro, Fiji. We determined size at maturity and batch fecundity, examined otolith microstructure to construct a vonBertalanffy growth curve, described a length weight relationship, and performed a dietary analysis. Ostorhinchus rubrimacula is a gonochore that matures at 35 mm standard length (SL). Batch fecundity is related to body size by the equation: eggs spawned ¼ 0.0013(SL) 3:8685. Assuming each otolith ring corresponds to 1 day in age, the oldest individual in our collection lived 274 days. Growth is described by the equation: SL ¼ 40.84[l _ e_0:014ðage in days_22:45Þ]. Total body mass (mg) ¼ 4.806 _ 10_6(SL)3:5163. Ostorhinchus rubrimacula feeds primarily on harpacticoid copepods, but isopods (mostly gnathidean) and polychaetes were also important dietary components.
Description: v. ill. 23 cm.
Quarterly
Pages/Duration: 10 p.
URI: http://hdl.handle.net/10125/22561
ISSN: 0030-8870
Appears in Collections:Pacific Science, Volume 60, Numbers 2, 2006



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