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Developmental Stages of Trachypenaeus curvirostris (Stimpson, 1860) (Decapoda, Penaeidae) Reared in the Laboratory

Jesse Dapon Ronquillo and Toshio Saisho
Crustaceana
Vol. 68, No. 7 (Nov., 1995), pp. 833-863
Published by: Brill
Stable URL: http://www.jstor.org/stable/20105140
Page Count: 31
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Developmental Stages of Trachypenaeus curvirostris (Stimpson, 1860) (Decapoda, Penaeidae) Reared in the Laboratory
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Abstract

The embryonic and post-embryonic development of Trachypenaeus curvirostris were observed in the laboratory. The eggs hatched as first nauplii after about 15 hours at 25.8°-26.2°C and 32.5 g $\text{kg}^{-1}$ salinity. The larvae were fed only with Chaetoceros gracilis and Tetraselmis tetrathele until early postlarval stage. Six naupliar, three protozoeal, three mysis, and one post-larval stages were described and illustrated in detail. The larval morphological characteristics were compared with those of other species of Trachypenaeus, Metapenaeopsis and Penaeus. /// Le développement embryonnaire et postembryonnaire de Trachypenaeus curvirostris a été observé au laboratoire. L'éclosion des oeufs est atteinte après quinze heures d'incubation à une température variant entre 25,8 et 26,2°C et une salinité de 32,5 g $\text{kg}^{-1}$. Les larves ont été nourries avec Chaetoceros gracilis et Tetraselmis tetrathele jusq'au debut du premier stade postlarvaire. Six nauplii, trois protozoés, trois mysis et le premier stade post-larvaire sont décrits et illustrés en détail. Les caractéristiques larvaires sont comparées avec celles décrites chez d'autres espèces des genres Trachypenaeus, Metapenaeopsis et Penaeus.

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