Main Ref: | Shireman, J.V. and C.R. Smith 1983 |
min | max | mod | Ref. | |
Length at birth (mm) | 4.5 | 5.5 | 5 | |
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | elongated | Ref: | ||
Yolk | Oil globules | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
The transparent eye of the newly hatched larvae has few melanophores in the lower part of the optic-cup symphisis. The newly hatched larvae has the eyes and otic vesicles for med. No eye pigmentation. Head curved over yolk-sac. |
Striking feature | none | |||
Striking shape lateral | dorsal | |||
Striking feature | none | |||
Shape of gut | ||||
Gas bladder early | visible | late | ||
Spinal armature early | late | |||
Pectorals | normal | |||
Melanophores of the newly hatched larvae are distributed over the finfold except at the posterior part of the caudal region. Two days after hatching, mouth and anus opened. Yolk are completely absorbed by day 3. They swim against the current. |
min | max | mod | Ref. | |
Total number of myomeres | 37 | 41 | 39 | 145 |
Preanal number of myomeres | 23 | 29 | 26 | 145 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | 7 | Jan | Feb | Mar | Apr | |
min | 6 | May | Jun | Jul | Aug | |
mod | 6.5 | 150 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |