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Larvae Information Summary for  Pomatoschistus microps
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Main Ref: Russell, F.S. 1976
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     3 65
Preanal L. % TL     47.6 65
Place of development planktonic
Larval area to be filled
Yolk-sac spherical   pigmented Ref:  
Yolk   Oil globules more than one oil globule
Rows on tail ventral row
Other melanophores on tail one dorso-ventral cluster or band
There are 1 or 2 postanal dorsal chromatophores and a chromatophore behind the eye as well as a chromatophore below the otocyst or some on lower jaw.
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 one dorso-ventral cluster or band
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 with row of melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
At a length of 8.5 mm the pelvic fins reach to beyond the middle of the swimbladder, which is heavily pigmented, and at a length of 11 mm reach nearly to the anus. There is also a considerable amount of pigment on the head.
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod 4   Sep Oct Nov Dec
Water parameters     Metric characters
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