FishBase |
Main Ref: | Jones, P.W., F.D. Martin and J.D. Hardy Jr. 1978 |
max | min | mod | Ref. | |
Length at birth (mm) | 5.4 | |||
Preanal L. % TL |
Place of development | in open nest | |||
Larval area | Mid-Atlantic Bight | |||
Yolk-sac | other | Ref: | ||
Yolk | Oil globules | more than one oil globule | ||
Melanophores on head + trunk | melanophores on head + trunk | |||
Head deflected downward at hatching, but apparently not attached to yolk; yolk mass somewhat flattened at hatching, more than half absorbed by 6.0 mm. Mouth open at 6.0 mm. Anlagen of pectorals formed at hatching. Finfold apparently continuous around and beyond yolk at hatching; constricted at mid-body and in area of vent and bluntly pointed at posterior end at 6.0 mm. Incipient rays in caudal fin at 6.0 mm. Pigmentation: Chromatophores on dorsal surface of head and eye, and above and below body in basicaudal region at hatching. At 6.00 mm, chromatophores along dorsal surface of body, in a line between body and yolk, in a heavy blotch ventrally in region of future anal fin, throughout eye, and on top and sides of head and snout. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | tadpole-like | |
Striking feature | none | |||
Shape of gut | ||||
Gas bladder early | late | |||
Spinal armature early | no spines | late | no spines | |
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
Incipient rays in dorsal at 8.5 mm. Finfold constricted near caudal region and with distinct postdorsal notch at 8.5 mm. |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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