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Larvae Information Summary for  Scatophagus argus
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Main Ref: Jeyaseelan, M.J.P. 1998
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 1.88 1.75    
Preanal L. % TL        
Place of development planktonic
Larval area Indo-Pacific
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Yolk sac disappears at day-4 between 2.6 and 2.8 mm TL (Ref. 102820).
Post larvae
Striking feature other
Striking shape lateral normal (not striking) dorsal compressed
Striking feature other
Shape of gut  
Gas bladder   early   late  
Spinal armature   early other spines late other spines
Pigmentation early
Rows on tail no rows
Other melanophores on tail tail completely covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Rows on tail no rows
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
At 11-13 mm, body somewhat oval in shape and very compressed. Head is very large with bony plates. A strong shoulder spine (supra scapular spine) is present. Dorsal fin has 10-11 spines and 16-18 rays. Anal fin has 4 spines and 14-15 rays. Pectoral fin rays about 20. Caudal fin rays 16. The spinous dorsal fin is bright purple with a brownish tinge posteriorly. Pigmentation: Black chromatophores and red pigmented cell groups are present in the body.
  L 1st feeding Ref. Months of presence of larvae    Ref. 
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Luna,Susan M. - 27.11.02
Modified by: Luna,Susan M. - 29.06.15
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