Main Ref: | Russell, F.S. 1976 |
min | max | mod | Ref. | |
Length at birth (mm) | ||||
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | Ref: | |||
Yolk | Oil globules | |||
Rows on tail | ||||
Other melanophores on tail | ||||
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 | pigmented | late | pigmented | |
Spinal armature early | no spines | late | several different spines | |
Pigmentation early | ||||
Rows on tail | no rows | |||
Other melanophores on tail | more than two dorso-ventral clusters or bands | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | no rows | |||
Other melanophores on tail | more than two dorso-ventral clusters or bands | |||
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 preoperculum is well provided with small spines, in the range 5 - 12 mm. Head posteriorly well distinct from the visceral sac. |
min | max | mod | Ref. | |
Total number of vertebrae | 41 | 37 | ||
Preanal number of vertebrae | 10 | 37 |
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 |