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Larvae Information Summary for  Bregmaceros mcclellandi
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Main Ref: Okiyama, M. 1993
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     1.5 46075
Preanal L. % TL        
Place of development planktonic
Larval area Northwestern Pacific (Japan)
Yolk-sac       Ref:  
Yolk   Oil globules  
Rows on tail  
Other melanophores on tail  
Post larvae
Striking feature some dorsal fin rays very elongated
Striking shape lateral normal (not striking) dorsal  
Striking feature some dorsal fin rays very elongated
Shape of gut triangular
Gas bladder   early   late  
Spinal armature   early no spines late no spines
Pigmentation early
Rows on tail lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Rows on tail lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Peritoneum with row of melanophores
Pectorals normal melanophores at fin base
Pelvics with elongated fin rays  
Occipital ray first to develop at 2.0-2.5 mm, long and delicate, often extending to near the middle of the second dorsal fin in adults. Pigmentation: At < or = 3 mm SL: Melanophore at angle of jaw and tip of lower jaw; scattered melanophores on head and at base of pectoral fin. A few large, internal stellate melanophores in double row on side of body and tail. Melanophores on ventral surface of visceral mass. At 5-10 mm SL: Small, scattered melanophores over surface of head and body but not on posterior part of tail. Several, large, internal stellate melanophores in a double row on side of body and tail.
  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. - 10.03.03
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