FishBase
Larvae Information Summary for  Stigmatopora nigra
( not available )

Main Ref: Gomon, M.F. and F.J. Neira 1998
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL 44 30    
Place of development in brood pouch
Larval area Swan Estuary (WA) and Lake Macquarie (NSW)
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature tube-like snout
Striking shape lateral other dorsal other
Striking feature tube-like snout
Shape of gut elongated
Gas bladder   early visible late visible
Spinal armature   early other spines late other spines
Pigmentation early
Rows on tail ventral row
Other melanophores on tail more than two dorso-ventral clusters or bands
Melanophores on head + trunk melanophores on head + trunk
Rows on tail ventral row
Other melanophores on tail more than two dorso-ventral clusters or bands
Melanophores on head + trunk melanophores on head + trunk
Peritoneum with row of melanophores
Diagnostic characters: body extremely slender and cylindrical; head with an elongate, tubular snout, and a small, flap-like mouth; long-based dorsal fin, positioned between trunk rings 5-9 and tail rings 5-7; no caudal fin. Sequence of fin development: newly emerged larvae have a fully-formed dorsal fin; pectoral fin rays first appear by 17 mm. Supraoccipital and otic crests, and median dorsal snout ridge absent in newly emerged larvae. Gut moderate and straight. Small gas bladder over foregut. Body ridges not apprent at birth, but tiny body spines are developed.
  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: Luna,Susan M. - 16.05.00
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