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Shoaling of sergestid shrimp Acetes johni (Crustacea Decapoda: Sergestidae) associated with swarming of gammarid amphipods

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Title Shoaling of sergestid shrimp Acetes johni (Crustacea Decapoda: Sergestidae) associated with swarming of gammarid amphipods
 
Creator Goswami, S C
 
Description 115-116
Aggregation of sergestid shrimp Acetes johni and gammarid amphipods was observed at a station (22-degrees 07' N; 67-degrees 03'E) in the northern Arabian Sea during September 1991. Shoaling occurred in the surface layer at night resulting in high zooplankton standing stock (5.81 ml. m-3). The sergestid shrimps and gammarid amphipods formed 94.7% of the zooplankton population, the former constituting the moret han half of the biomass of the sample. Their numerical abundance decreased with depth. The adaptive significance of swarming behaviour in marine plankton is briefly discussed.
 
Date 2016-11-25T05:26:18Z
2016-11-25T05:26:18Z
1994-06
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/handle/123456789/37569
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.23(2) [June 1994]