FishBase |
Main Ref: | Fahay, M. 1983 |
max | min | mod | Ref. | |
Length at birth (mm) | 7.3 | 5.7 | 6.5 | 68 |
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | Mid-Atlantic Bight | |||
Yolk-sac | Ref: | |||
Yolk | segmented | Oil globules | one oil globule |
Striking feature | ||||
Striking shape lateral | dorsal | |||
Striking feature | ||||
Shape of gut | ||||
Gas bladder early | late | |||
Spinal armature early | late | |||
Diagnostic characters: leptocephalus larvae; gut long and undulating with 9 peaks or loops, length decreases with age. Pigmentation: tip of lower jaw, top of head, snout; dorsal edge of body; dorsal patches on gut loops, ventral patches added after about 20 mm, and spots develop between loops in larger larvae; myosepta sporadically pigmented along midline; 5-7 subcutaneous spots ventral to midline on tail; few spots on flank on upper and lower angles of some myosepta; anal base pigment in short linear clusters. Sequence of fin formation: pectoral fin late forming; pelvic fin absent. |
max | min | mod | Ref. | |
Total number of myomeres | 162 | 142 | 68 | |
Preanal number of myomeres | 75 | 66 | 68 |
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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