FishBase
Larvae Information Summary for  Danio rerio
( not available )

Main Ref: Kimmel, C.B., W.W. Ballard, S.R. Kimmel, B. Ullmann and T.F. Schilling 1995
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)     3.1 58952
Preanal L. % TL        
Place of development  
Larval area to be filled
Yolk-sac spherical   pigmented Ref:  
Yolk   Oil globules  
Rows on tail dorsal + ventral + lateral row
Other melanophores on tail no other melanophores
Melanophores on head + trunk melanophores on head + trunk
Hatching occurs 48 h after fertilization. Head-trunk angle is 45°. Pectoral fin is pointed; dorsal and ventral stripes meet at tail; 6 melanophores in lateral stripe; iridophores plentiful on retina; distinct yellow cast to head;Nomarksi optics; circulation in 2-4 aortic arches and segmental vessles; olfactory cilia beating; semicircular canals; neuromasts;
Post larvae
Striking feature none
Striking shape lateral normal (not striking) dorsal  
Striking feature none
Shape of gut elongated
Gas bladder   early   late  
Spinal armature   early   late  
Pigmentation early
Rows on tail dorsal + ventral row
Other melanophores on tail one dorso-ventral cluster or band
Melanophores on head + trunk melanophores on head + trunk
Rows on tail dorsal + ventral + lateral row
Melanophores on head + trunk melanophores on head + trunk
Urostyle region   early pigmented late pigmented
Peritoneum with row of melanophores
Pectorals normal  
At 3.5 mm TL, head-trunk angle is 25°; wide open mouth protruding anterior to eye; iridophores in yolk stripe; eye half covered by iridophores; dorsal body as yellow as head; Nomarski optics; gill slits and filament buds present; cartilage in branchial arch 1 and 5; operculum covers the branchial arch 1 or 2; cleithrum;
  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. - 25.09.07
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