Main Ref: | Russell, F.S. 1976 |
min | max | mod | Ref. | |
Length at birth (mm) | 7.4 | 8.6 | 8 | |
Preanal L. % TL | 38.7 | 40.1 | 39.4 |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | ovoid | Ref: | ||
Yolk | unsegmented | Oil globules | one oil globuleanteriorcentralpigmented | |
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Presence of 12-14 melanophores on the ventral postanal row, several on the head, snout and at the base of the pectoral fin and a row of melanophores on the shoulder. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | none | |||
Shape of gut | elongated | |||
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 partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | unpigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
The head spinal armature during the postlarval development consists of 2 otocystic spines, 4-5 preopercular spines, 1 spine on the snout, and 1 over the eye. |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | 10 | 41 | Jan | Feb | Mar | Apr |
min | 7.5 | 37 | May | Jun | Jul | Aug |
mod | 8.7 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |