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Larval development of the mangrove crab Sesarma bidens (de Haan, 1853) in the laboratory (Brachyura: Grapsidae: Sesarminae)
Larvae of Sesarma bidens (de Haan) were reared in the laboratory upto megalopa stage under the culture conditions of salinity 25 plus or minus 1 ppt and temperature 28 plus or minus 1 degree C. FirstExpand
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Acute toxicity of three pesticides and their effect on the behaviour of the edible crab Scylla serrata (Forskal)
Technical grade heptachlor, phosalone and carbaryl were tested for acute toxicity to the edible crab Scylla serrata. The 96 h LC 50 values of the three pesticides were 322, 406 and 566mug/lExpand
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Yolk utilization in a mangrove crab Sesarma brockii (de man)
It was observed that in Sesarma brockii water and ash contents of the eggs increased, while the biochemical constituents like protein, carbohydrate and lipid decreased with embryonic development.Expand
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Larval and post-larval development of the purse crab Philyra globosa (Fabricius, 1888) (Decapoda : Brachyura : Leucosiidae) reared in the laboratory
Philyra globosa (Fabricius) larvae were reared at 28 ± 1° C in water of salinity 30 ± 1‰. They passed through 3 zoeal and one megalopal stage before moulting to the first crab. The intermoult periodExpand
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Cuticular adaptations in two parasitic copepods in relation to their modes of life
Abstract The structure, histochemistry, and possible functional properties of the cuticle in two parasitic copepods Pennella elegans Gnanamuthu and Caligus savala Gnanamuthu have been studied: theExpand
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Chronic toxicity bioassay and effect of endosulfan, HCH, copper and zinc on the survival and intermoult duration of larvae of mangrove crab Macrophthalmus erato De Man.
The effects of insecticides (endosulfan, HCH) and heavy metals (copper and zinc) were studied on survival and duration of the moult cycle of larvae and megalopa of a common mangrove crab,Expand
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MANGROVE LEAF LITTER PROCESSING BY SESARMID CRABS
The sesarmid crabs belonging to the Family Grapsidae and Subfamily Sesarminae are mainly herbivorous as proven in the present study by their gut-contents. Gut contents of Sesarma brockii, S.Expand
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Zonation and distribution of crabs in Pichavaram mangrove swamp, southeast coast of India
The zonation and distribution of crabs were studied in Pichavaram mangrove swamp. The season-wise distribution of crab species was maximum among the managal trees, especially Rhizophora and AvicenniaExpand
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