FishBase |
Main Ref: | Russell, F.S. 1976 |
max | min | mod | Ref. | |
Length at birth (mm) | 3 | 2.14 | 2.5 | |
Preanal L. % TL | 47.6 | 46.4 | 47 |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | spherical | Ref: | ||
Yolk | unsegmented | Oil globules | one oil globulecentralventralpigmented | |
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Chromatophores form postanal bar on the primordial fin dorsally and ventrally and a few dorsally on the primordial fin above the rectum. |
Striking feature | none | |||
Striking shape lateral | short and/or deep | dorsal | compressed | |
Striking feature | none | |||
Shape of gut | spherical or gut loop | |||
Gas bladder early | invisible | late | invisible | |
Spinal armature early | several different spines | late | several different spines | |
Pigmentation early | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail completely covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | unpigmented | late | pigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
At about 8 mm, melanophores are scattered over most of the dorsal and anal fins. Spiny armature appear at 4-5 mm and is very well developed at 10-11 which declines after. |
max | min | mod | Ref. | |
Total number of vertebrae | 30 | 65 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | 4.8 | 65 | Jan | Feb | Mar | Apr |
min | 3.2 | 65 | May | Jun | Jul | Aug |
mod | 4 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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