FishBase
Larvae Information Summary for  Trisopterus minutus
Show available picture(s) for

Main Ref: Russell, F.S. 1976
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 2.4 2.3    
Preanal L. % TL     46.4  
Place of development planktonic
Larval area to be filled
Yolk-sac ovoid     Ref:  
Yolk unsegmented Oil globules no oil globule
Rows on tail dorsal + ventral row
Melanophores on head + trunk melanophores on head + trunk
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature none
Shape of gut triangular
Gas bladder   early invisible late invisible
Spinal armature   early no spines late no spines
Rows on tail dorsal + ventral row
Melanophores on head + trunk melanophores on head + trunk
Rows on tail dorsal + ventral row
Melanophores on head + trunk melanophores on head + trunk
Peritoneum covered with melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
At a length of about 6 mm, a few melanophores appear above and below the urostyle, which is still straight.
Meristic characters
  max min mod Ref.
Total number of vertebrae 48 44 46 65
  L 1st feeding Ref. Months of presence of larvae
max 4.5   Jan Feb Mar Apr
min 4 64 May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Papasissi,Christine - 19.10.90
Modified by: Luna,Susan M. - 28.02.91
Checked by: Giovanardi,Otello - 15.02.91
Back to Search
Comments & Corrections
  Sign our Guest Book

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