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Larvae Information Summary for  Syngnathus rostellatus
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Main Ref: Ehrenbaum, E. 1905
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm) 14 13 13.5  
Preanal L. % TL        
Place of development attached to parental body
Larval area to be filled
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature tube-like snout
Striking shape lateral eel-like dorsal  
Striking feature tube-like snout
Shape of gut elongated
Gas bladder   early pigmented late pigmented
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail no rows
Other melanophores on tail more than two dorso-ventral clusters or bands
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail no rows
Other melanophores on tail more than two dorso-ventral clusters or bands
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Peritoneum covered with melanophores
Pectorals normal  
Pelvics normal (i.e. small or absent)  
The hatched larva is already a joung fish with all the unpaired fins well developed.
  L 1st feeding Ref. Months of presence of larvae
max 14   Jan Feb Mar Apr
min 13   May Jun Jul Aug
mod 13.5   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