FishBase |
Main Ref: | Morrow, J.E. 1980 |
max | min | mod | Ref. | |
Length at birth (mm) | 4.5 | 4.2 | ||
Preanal L. % TL |
Place of development | in open nest | |||
Larval area | Western Europe (British Isles); North America (Alaska); Northwestern Pacific (Japan) | |||
Yolk-sac | spherical | Ref: | ||
Yolk | Oil globules | |||
Melanophores on head + trunk | melanophores on trunk | |||
Yolk is absorbed at 5.0-6.0 mm. Oil globules are present in the yolk sac. Pigmentation: Pigment absent on lateral line; present on dorsal line. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | ||
Striking feature | none | |||
Shape of gut | elongated | |||
Gas bladder early | late | |||
Spinal armature early | late |
L 1st feeding | Ref. |
Months of presence of larvae
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max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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