FishBase
Larvae Information Summary for  Hippocampus abdominalis
( not available )

Main Ref: Gomon, M.F. and F.J. Neira 1998
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     16.2 31838
Preanal L. % TL 52 50    
Place of development planktonic
Larval area seagrass patch
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  
Gas bladder   early   late  
Spinal armature   early   late  
Pigmentation early
Rows on tail dorsal + ventral + lateral row
Other melanophores on tail tail completely covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Pigmentation late
Rows on tail dorsal + ventral + lateral row
Other melanophores on tail tail completely covered with melanophores
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Pelvics normal (i.e. small or absent)  
Head slightly angled to body axis at birth, angle rapidly becoming very pronounced; head with an elongate, tubular snout, and a small, flap-like mouth; anus below posterior third of dorsal fin; no caudal fin; 8-12 narrow, pale pigment bands on tail. Newly emerged larvae (16 mm) have an extremely slender body that is relatively straight at birth but which bends to the adult form within 1-2 days. Head moderate, snout elongate. Gut long, completely hidden by trunk rings. All fin elements formed at birth. Body ridges clearly visible at birth; body spines small but prominent, all of similar size. Pigmentation: Body mostly dusky, uniformly covered with small melanophores; slightly paler areas of less dense melanophores on opercle and in 8-12 narrow bands on tail. No visible internal pigments.
  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
Back to Search
Comments & Corrections

php script by kbanasihan, 09/07/10 ,  last modified by sortiz, 09/08/17