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) | 4 | 39467 | ||
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | Delaware Bay | |||
Yolk-sac | Ref: | |||
Yolk | Oil globules | |||
Rows on tail | ||||
Other melanophores on tail | ||||
Presence of alternating light and dark crossbands on the body; yolk-sac lage but head is not deflected. Dorsal and ventral finfolds are continuous. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | ||
Striking feature | none | |||
Shape of gut | ||||
Gas bladder early | late | |||
Spinal armature early | late | |||
Pigmentation early | ||||
Rows on tail | no rows | |||
Other melanophores on tail | more than two dorso-ventral clusters or bands | |||
Melanophores on head + trunk | melanophores on trunk | |||
Rows on tail | no rows | |||
Other melanophores on tail | more than two dorso-ventral clusters or bands | |||
Melanophores on head + trunk | melanophores on trunk | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
At 5 mm, yolk-sac is absorbed and depth of body has increased. Color is yellowish with dark vertical bands. At 9 mm, all fins are formed, but body is still relatively slender and back is not raised. At 12 mm SL, fish has practically all of the adult diagnostic characters. |
L 1st feeding | Ref. |
Months of presence of larvae
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max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 5 | 39467 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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