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Breeding biology of Babylon snail Babylonia spirata (Linnaeus) (Mollusca: Neogastropoda: Buccinidae)

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Title Breeding biology of Babylon snail Babylonia spirata (Linnaeus) (Mollusca: Neogastropoda: Buccinidae)
 
Creator Kannapiran, E
Edward, J K Patterson
 
Description 368-370
Breeding biology of the buccinid gastropod B. spirata, has been studied as regards to sex ratio, maturity size, gonad index, laboratory spawning, egg capsules, hatching, fecundity and larvae. The sex ratio was found to be 1:1.34. Gonad index of both males and females was high in March 1993. Spawning was observed from February to May 1993. The B. spirata laid vasiform egg capsules in night hours from February to Map 1993 and the number of egg capsules per female, varied from 28 to 41. It took nearly 24 hours to liberate all the veliger larvae from capsule and the larvae showed positive phototactism and planktotrophism.
 
Date 2016-11-18T12:03:58Z
2016-11-18T12:03:58Z
1996-12
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/handle/123456789/37156
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.25(4) [December 1996]