FishBase |
Main Ref: | Russell, F.S. 1976 |
max | min | mod | Ref. | |
Length at birth (mm) | 3 | |||
Preanal L. % TL | 49 | 48.1 | 48.6 |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | ovoid unpigmented | Ref: | ||
Yolk | unsegmented | Oil globules | no oil globule | |
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
The last third of the postanal portion of the body is free from pigment. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | ||
Striking feature | none | |||
Shape of gut | triangular | |||
Gas bladder early | invisible | late | invisible | |
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | unpigmented | late | unpigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) | |||
The abrupt ending of the body pigmentation about half way between the anus and the end of the tail is characteristic. At a length of 4.5 mm there are slight traces of epural and hypural interspinous rays in the caudal fin. |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | 3.8 | 64 | Jan | Feb | Mar | Apr |
min | 3.1 | 37 | May | Jun | Jul | Aug |
mod | 3.3 | 41 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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