FishBase |
Main Ref: | Scotton, L.N., R.E. Smith, N.S. Smith, K.S. Price and D.P. de Sylva 1973 |
max | min | mod | Ref. | |
Length at birth (mm) | 2 | 39467 | ||
Preanal L. % TL |
Place of development | ||||
Larval area | Northwestern Atlantic (Delaware Bay) | |||
Yolk-sac | Ref: | |||
Yolk | Oil globules | |||
Rows on tail | dorsal + lateral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on trunk | |||
Vent opens less than half length of body from snout. Pigmentation: Black pigment scattered about dorsal and dorso-lateral portions of the body; yellow pigment present. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | ||
Striking feature | none | |||
Shape of gut | triangular | |||
Gas bladder early | late | |||
Spinal armature early | late | |||
Pigmentation early | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | no melanophores on head or trunk | |||
Pigmentation late | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | no melanophores on head or trunk | |||
Urostyle region early | unpigmented | late | unpigmented | |
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) without melanophores | |||
At 5 mm, there is a characteristic ventral row of pigment spots postanally. Sequence of fin development: Dorsal, anal, and caudal (nearly differentiated at about 10.0 mm). |
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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