FishBase |
Main Ref: | Russell, F.S. 1976 |
max | min | mod | Ref. | |
Length at birth (mm) | 3 | |||
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | pigmented | Ref: | ||
Yolk | Oil globules | one oil globule | ||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | no melanophores on head or trunk | |||
Dorsal gut pigmentation of about 16 melanophores, postanal ventral pigment of about 15 melanophores, ventral margin of the primordial fin: 13 melanophores. |
Striking feature | none | |||
Striking shape lateral | eel-like | dorsal | normal (not striking) | |
Striking feature | none | |||
Shape of gut | tube-like | |||
Gas bladder early | invisible | late | invisible | |
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on trunk | |||
Pigmentation late | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | pigmented | |
Peritoneum | with row of melanophores | |||
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) | |||
At 8-10 mm length : 2-5 dorsal melanophores at the posterior end of the tail. 1 or more melanophores on the crown of the head. Denticles on the margin of the upper jaw appear at 7 mm. The notochord turns up at 9 mm and the upper jaw becomes very protrusible. |
max | min | mod | Ref. | |
Total number of vertebrae | 72 | 64 | 68 | 37 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 4 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
Back to Search |