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Larvae Information Summary for  Histrio histrio
( not available )

Main Ref: Okiyama, M. 1993
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     1.4 240
Preanal L. % TL        
Place of development planktonic
Larval area Northwestern Pacific (Japan)
Yolk-sac       Ref:  
Yolk   Oil globules  
Large yolk-sac. Larvae have little pigmentation (Ref. 240). Larvae drift on the surface for 5 to 6 days after which the entire yolk sac is absorbed, the mouth and anus open and the eyes are pigmented (Ref. 240).
Post larvae
Striking feature some dorsal fin rays very elongated
Striking shape lateral short and/or deep dorsal  
Striking feature some dorsal fin rays very elongated
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early   late  
At 2.0 mm TL, head is round and large, fins fully formed, and a pigmented double-notched eye is present. The larva is suspended at this stage in a spherical, integumentary envelope which is attached to its body in three points: the mouth, the anus, and at the base of the fins, with each fin projecting through it (Ref. 240). At 9.0 mm TL, the envelope has completely fused with the epidermis of the larva (Ref. 240). At this stage, it is effectively considered a juvenile.
  L 1st feeding Ref. Months of presence of larvae    Ref. 
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
Entered by: Luna,Susan M. - 12.03.03
Modified by: Luna,Susan M. - 04.06.03
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