Some aspects of reproductive biology of Gerres filamentosus Cuvier.
CMFRI Repository
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Relation |
http://eprints.cmfri.org.in/11110/
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Title |
Some aspects of reproductive biology of Gerres filamentosus Cuvier.
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Creator |
Beevi, A Raihanathu
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Subject |
Dissertations
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Description |
The reproductive biology o f Gerres filamentosus cuvier was investigated in cochin from the samples collected from the trawl landings. Analysis of reproductive organs, maturity condition, fecundity and sex ratio was done during March - June 1998. Oocyte diameter was measured and histological characteristics of ovary were studied, This species remains in the estuarine environment and undergo migration to nearby coastal areas for the purpose o f breeding. Final stage of maturity is attained in the sea. The spawning occurs on the sea and the young ones migrate to estuarine area. The process of maturation is a continuous process and spawning take place within a prolonged period. The observed maturity stages of females were (i) immature (ii) inactive / resting (iii) Developing (active) (iv) mature (v) ripe and running (vi) spent and of males were (I) immature (ii) maturing and (iii) spent. |
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Date |
1998-07
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Type |
Thesis
NonPeerReviewed |
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Format |
text
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Language |
en
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Identifier |
http://eprints.cmfri.org.in/11110/1/Raihanathu%20Beevi%20A..pdf
Beevi, A Raihanathu (1998) Some aspects of reproductive biology of Gerres filamentosus Cuvier. Masters thesis, Central Institute of Fisheries Education. |
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