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Larvae Information Summary for  Cociella crocodilus
( not available )

Main Ref: Jeyaseelan, M.J.P. 1998
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development  
Larval area Indo-West Pacific
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature  
Striking shape lateral   dorsal compressed
Striking feature  
Shape of gut  
Gas bladder   early   late  
Spinal armature   early several different spines late several different spines
Pectorals other  
Pelvics other  
Based on an 8.8 mm larvae: head large, compressed dorsoventrally. Preoperculum has 2 spines. Mouth is large, but interorbital space is small (less than 1/4 of the diameter of the eye). The ridge crossing the cheek below the eye has 3 minute spines. The body tapers towards the posterior part. Pectoral and pelvic fins are larger in proportion to the body length when compared to those in adults. The first dorsal fin has 8 spines, the first one the smallest, the 3rd the largest and gradually reducing in length towards the last spine. The second dorsal and anal fins possess 11 rays. The first and second dorsal fins are yet to move posteriorly to reach their final position as in adults. Pigmentation: Distinct pigmentation is absent in the caudal fin.
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Luna,Susan M. - 21.11.02
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