FishBase
Larvae Information Summary for  Hymenocephalus italicus
( 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)        
Preanal L. % TL        
Place of development  
Larval area to be filled
Yolk-sac       Ref:  
Yolk   Oil globules  
Post larvae
Striking feature  
Striking shape lateral other dorsal normal (not striking)
Striking feature  
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Pigmentation late
Rows on tail ventral row
Other melanophores on tail tail partly covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Peritoneum covered with melanophores
Pectorals normal with marginal melanophores
Pelvics with elongated fin rays with melanophores
A long caudal filament, ending in a lanceolate expansion. Two dorsal fins, the 2nd with 125 rays. Anal fin with 136 rays. About 140 myomeres. Pectorals with a strong peduncle.
  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