Larvae Information Summary for Gobius niger
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Main Ref: Russell, F.S. 1976
Yolk-sac larvae
  min max mod Ref.
Length at birth (mm) 2.5 3 2.8 65
Preanal L. % TL     43.5 65
Place of development planktonic
Larval area Eastern Atlantic and Mediterranean Sea
Yolk-sac spherical     Ref:  
Yolk unsegmented Oil globules more than one oil globule
Rows on tail ventral row
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
One single dorsal melanophore.
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal normal (not striking)
Striking feature none
Shape of gut elongated
Gas bladder   early pigmented late pigmented
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail ventral row
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + lateral + ventral row
Other melanophores on tail tail with single melanophore
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late pigmented
Peritoneum covered with melanophores
Pectorals normal without melanophores
Pelvics strikingly large or elongated  
One large ramified melanophore about midway on the ventral and dorsal contour. At 7-8 mm the rays ofthe second dorsal and the anal fins are developed. As in other Gobiidae, the gas bladder appears very early in the development, approx. at 3.0 mm.
Meristic characters
  min max mod Ref.
Total number of vertebrae 27 29 28 65
  L 1st feeding Ref. Months of presence of larvae
max 4.5   Jan Feb Mar Apr
min 4   May Jun Jul Aug
mod 4.2   Sep Oct Nov Dec
Water parameters     Metric characters
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php script by kbanasihan, 09/07/10 ,  last modified by sortiz, 09/08/17