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Laboratory reared larval stages of the mangrove grapsid crab Metopograpsus maculatus H. Milne Edwards
Five zoeal stages and a megalopa stage appeared at salinity 30 ppt and temperature 29-32 degrees C Larval characters are compared with other known Indian species viz Metopograpsus messor and M. latifrons.
Laboratory cultured zoeae, megalopa and first crab of the estuarine crab Thalamita crenata (Latr.) A. Milne Edwards 1861 (Brachyura : Portunidae)
Five zoeal, megalopa and first crab instar are figured and described and possible reasons for variation in the number of zoeal stages are discussed.
Larval development of the mangrove crab Sesarma bidens (de Haan, 1853) in the laboratory (Brachyura: Grapsidae: Sesarminae)
Four zoeal and a megalopal stages are described and compared with other known larvae of Sesarma spp.
Acute toxicity of three pesticides and their effect on the behaviour of the edible crab Scylla serrata (Forskal)
Technical grade heptachlor, phosalone and carbaryl induced similar effects resulting in gradual death to the edible crab Scylla serrata, and profuse defaecation was observed in crabs exposed to phos Alone and carb Daryl.
Yolk utilization in a mangrove crab Sesarma brockii (de man)
Results of the present investigation clearly indicates that lipid is the main food reserve used for embryonic development.
Larval and post-larval development of the purse crab Philyra globosa (Fabricius, 1888) (Decapoda : Brachyura : Leucosiidae) reared in the laboratory
The morphological characters of laboratory-reared P. globosa larvae are compared with Chhapgar's (1955) brief description of larvae obtained from the plankton and other known Philyra spp.
Nutritional effects on male reproductive performance in the freshwater prawn Macrobrachium malcolmsonii (H. Milne Edwards)
The reproductive performance of male freshwater prawns (Macrobrachium malcolmsonii) is affected by the nutritional status of the animals.