FishBase |
Main Ref: | Russell, F.S. 1976 |
max | min | mod | Ref. | |
Length at birth (mm) | 7.5 | 6 | 6.7 | |
Preanal L. % TL | 35.5 |
Place of development | planktonic | |||
Larval area | North Sea | |||
Yolk-sac | ovoid pigmented | Ref: | ||
Yolk | unsegmented | Oil globules | no oil globule | |
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
There is a row of melanophores in the region of the stomach. |
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 | invisible | late | invisible | |
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | dorsal + 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 + lateral + ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | pigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) | |||
A relative absence of melanophores along the dorsal contours of the body persists throughout the growth of the postlarva. The ventral rows of melanophores become even less defined. Larvae settle on the bottom at about 12-14 mm TL (Ref. 92372). |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | 8 | Jan | Feb | Mar | Apr | |
min | 7 | May | Jun | Jul | Aug | |
mod | 7.5 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
Back to Search |