Main Ref: | Russell, F.S. 1976 |
min | max | mod | Ref. | |
Length at birth (mm) | ||||
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | off Plymouth | |||
Yolk-sac | Ref: | |||
Yolk | Oil globules | |||
Rows on tail | ||||
Other melanophores on tail | ||||
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | none | |||
Shape of gut | elongated | |||
Gas bladder early | pigmented | late | pigmented | |
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | dorsal + lateral + 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 | covered with melanophores | |||
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) | |||
An uninterrupted ventral row of melanophores runs from the throat to the anus in the late larvae. |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | 3.9 | Jan | Feb | Mar | Apr | |
min | May | Jun | Jul | Aug | ||
mod | 3.9 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |