FishBase |
Main Ref: | Morrow, J.E. 1980 |
max | min | mod | Ref. | |
Length at birth (mm) | 9.5 | 6.5 | ||
Preanal L. % TL |
Place of development | in close association with substrate | |||
Larval area | North America; Western Europe | |||
Yolk-sac | Ref: | |||
Yolk | Oil globules | |||
Melanophores on head + trunk | melanophores on trunk | |||
Newly hatched larvae with no mouth and cling to the weeds or substrate until the mouth develops. Yolk is absorbed at 12.5-13.0 mm. Pigmentation: No pigment present on the lateral line. Pigments present on the dorsal line. |
Striking feature | ||||
Striking shape lateral | dorsal | |||
Striking feature | ||||
Shape of gut | ||||
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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