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Larvae Information Summary for  Gobius paganellus
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Main Ref: Russell, F.S. 1976
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 4.8 4 4.4 37
Preanal L. % TL     44.5 62
Place of development in close association with substrate
Larval area eastern Atlantic, Mediterranean and Black Sea
Yolk-sac       Ref:  
Yolk   Oil globules no oil globule
Rows on tail no rows
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on trunk
Yolk-sac absorption completed in 30 days (Ref. 45332). Metamorphosis at 9.5-10.5 mm (Ref. 4696).
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 no other melanophores
Melanophores on head + trunk melanophores on trunk
Pigmentation late
Rows on tail ventral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early unpigmented late unpigmented
Peritoneum covered with melanophores
Pectorals normal without melanophores
Pelvics normal (i.e. small or absent)  
Up to 7 mm the head is unpigmented and there is a large melanophore in the dorsal contour of the tail which disappears afterwards; the first dorsal and the pelvic fins are not yet present. At 11 mm a large otocystic melanophore appears. As in other Gobiidae, the gas bladder appears very early,at approx. at 3.0 mm.
Meristic characters
  max min mod Ref.
Total number of vertebrae 29 27 28 65
  L 1st feeding Ref. Months of presence of larvae
max 4.8   Jan Feb Mar Apr
min 4.5   May Jun Jul Aug
mod 4.7   Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Papasissi,Christine - 19.10.90
Modified by: Luna,Susan M. - 24.03.08
Checked by: Giovanardi,Otello - 15.02.91
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