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Title: Feeding ecology of two species of Perisesarma (Crustacea: Decapoda: Brachyura: Sesarmidae) in Mandai Mangroves, Singapore
Authors: Ya, B.P.
Yeo, D.C.J. 
Todd, P.A. 
Keywords: Ecology
Feeding behavior
P. indiarum
Perisesarma eumolpe
Issue Date: Aug-2008
Citation: Ya, B.P., Yeo, D.C.J., Todd, P.A. (2008-08). Feeding ecology of two species of Perisesarma (Crustacea: Decapoda: Brachyura: Sesarmidae) in Mandai Mangroves, Singapore. Journal of Crustacean Biology 28 (3) : 480-484. ScholarBank@NUS Repository.
Abstract: The feeding ecology of two species of sesarmid mangrove crabs, Perisesarma eumolpe (de Man, 1895) and P. indiarum (Tweedie, 1940), in Mandai Kechil, Singapore was studied through field observations and laboratory experiments. The latter comprised a series of three separate experiments to investigate mangrove leaf species preferences, leaf age preferences, and feeding rates on leaves. Results indicate: 1) both P. eumolpe and P. indiarum are mainly sediment grazers, but also feed on mangrove leaves and roots and occasionally animal matter; 2) both crab species prefer Avicennia alba Blume leaves to other, locally common, mangrove species, i.e., A. officinalis L, A. rumphiana Hallier f, Rhizophora apiculata Blume, Bruguiera gymnorhiza (L.) Sav.); 3) mere is no significant preference for leaves of differing ages in the two species; and 4) no difference in daily fresh leaf consumption exists between the two crab species, with P. eumolpe consuming 22 ± 1.97 and P. indiarum consuming 14 ± 1.06 mg dry weight/wet mass g crab/day.
Source Title: Journal of Crustacean Biology
ISSN: 02780372
DOI: 10.1651/07-2835R.1
Appears in Collections:Staff Publications

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