FishBase
Larvae Information Summary for  Ophisurus serpens
( not available )

Main Ref: Bertolini, F., U. D'Ancona, E. Padoa Montalenti, S. Ranzi, L. Sanzo, A. Sparta, E. Tortonese and M. Vialli 1956
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     8  
Preanal L. % TL        
Place of development in close association with substrate
Larval area Mediterranean, Gulf of Guinea
Yolk-sac       Ref:  
Yolk segmented Oil globules more than one oil globule
Rows on tail no rows
Other melanophores on tail  
Post larvae
Striking feature teeth clearly visible
Striking shape lateral eel-like dorsal compressed
Striking feature teeth clearly visible
Shape of gut tube-like
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail no rows
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail no rows
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Peritoneum with row of melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
At 5 mm tendency to form 5 abdominal spots, 1 anal, 1 before caudal apex. At 15 mm 200-208 myomeres incl. 89-94 preanal. 4 teeth in each jaw. 8 abdominal spots, 3 anal spots. Caudal pigment.
Meristic characters
  max min mod Ref.
Total number of myomeres 208 200 204  
Preanal number of myomeres 89 94 92  
  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: Papasissi,Christine - 29.10.90
Modified by: Luna,Susan M. - 30.01.08
Checked by: Giovanardi,Otello - 19.02.91
Back to Search
Comments & Corrections
  Sign our Guest Book

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