FishBase
Larvae Information Summary for  Eleutheronema tetradactylum
( 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 planktonic
Larval area Indo-West Pacific
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature other
Striking shape lateral normal (not striking) dorsal  
Striking feature other
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
Pigmentation early
Rows on tail no rows
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head
Pigmentation late
Rows on tail no rows
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head
Urostyle region   early unpigmented late unpigmented
Peritoneum without melanophores
Pectorals normal without melanophores
Pelvics normal (i.e. small or absent) without melanophores
At 7.5 mm, mouth large with prominent upper and lower jaws. The cleft of the mouth is located slightly towards the ventral profile of the head. Pectoral fins not developed. Preanal myomeres 9-10, postanal myomeres 15-16. Caudal fin somewhat truncated. At 16 mm, mouth becomes inferior, and 4 free pectoral filamentous rays are visible. Caudal fin moderately forked. Pigmentation: A black pigment spot is present at the nape region.
  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
Back to Search
Comments & Corrections

php script by kbanasihan, 09/07/10 ,  last modified by sortiz, 09/08/17