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1 May 2004 LARVAL DEVELOPMENT OF THE MANGROVE SESARMID CRAB NEOSARMATIUM TRISPINOSUM (BRACHYURA: GRAPSOIDEA) DESCRIBED FROM LABORATORY-REARED MATERIAL
MdSirajul Islam, M. Aminur Rahman, Shigemitsu Shokita
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Abstract

The larvae of the mangrove sesarmid crab Neosarmatium trispinosum Davie, 1994, were reared in the laboratory. Five zoeal stages and one megalopa are described in detail and illustrated. Morphologically, the zoea larvae of N. trispinosum are similar to those of other species of Neosarmatium in that they share most of the following characters: no lateral carapace spines; 1 5, 5, and 0 1 6 setae on the endopods of the maxillule, the maxilla, and the second maxilliped, respectively; uniform setal formula on the basis of the first (2,2,3,3) and the second (1,1,1,1) maxilliped. The differences between the zoeae and the megalopae of N. trispinosum and those of its congeners are discussed briefly.

MdSirajul Islam, M. Aminur Rahman, and Shigemitsu Shokita "LARVAL DEVELOPMENT OF THE MANGROVE SESARMID CRAB NEOSARMATIUM TRISPINOSUM (BRACHYURA: GRAPSOIDEA) DESCRIBED FROM LABORATORY-REARED MATERIAL," Journal of Crustacean Biology 24(2), 356-371, (1 May 2004). https://doi.org/10.1651/C-2348
Received: 20 July 2002; Accepted: 1 December 2003; Published: 1 May 2004
JOURNAL ARTICLE
16 PAGES

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