Larval Development of a Grapsid Crab, Helice formosensis Rathbun (Crustacea : Brachyura), Reared in the Laboratory

M. Younus Mia; Shigemitsu Shokita

doi:10.12782/specdiv.2.7

Species Diversity

Online ISSN : 2189-7301
Print ISSN : 1342-1670

Larval Development of a Grapsid Crab, Helice formosensis Rathbun (Crustacea : Brachyura), Reared in the Laboratory

M. Younus Mia, Shigemitsu Shokita

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Keywords: Crab larvae, Helice formosensis, morphology, larval development, laboratory rearing

JOURNAL FREE ACCESS

1997 Volume 2 Issue 1 Pages 7-23

DOI https://doi.org/10.12782/specdiv.2.7

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Abstract

The complete larval development of Helice formosensis was obtained in the laboratory. It consisted of 5 zoeal and 1 megalopa stages before moulting to the first crab instar on the 47th day at a water temperature of 15-22℃. The morphology of the larvae is described in detail and comparisons are made with larvae of other species of Helice.

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