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Larvae Information Summary for
Enchelyopus cimbrius
| Main Ref: | Fahay, M. 1983 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | 2.4 | 1.6 | ||
| Preanal L. % TL |
| Place of development | planktonic | |||
| Larval area | Mid-Atlantic Bight (Cape Hatteras to the Southern Scotian Shelf including Delaware Bay) | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
| Rows on tail | no rows | |||
| Other melanophores on tail | one dorso-ventral cluster or band | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Eyes are lightly pigmented and has characteristic larval pigment. Vent opens on finfold (not at margin). Pigmentation: pigment present on tip of snout, dorsal portion of head, along the intestine and anus, a vertical band midway back on tail. | ||||
Post larvae
| Striking feature | other | |||
| Striking shape lateral | short and/or deep | dorsal | ||
| Striking feature | other | |||
| Shape of gut | ||||
| Gas bladder early | late | |||
| Spinal armature early | no spines | late | no spines | |
| Pigmentation early | ||||
| Rows on tail | no rows | |||
| Other melanophores on tail | one dorso-ventral cluster or band | |||
| Melanophores on head + trunk | melanophores on head | |||
| Pigmentation late | ||||
| Rows on tail | no rows | |||
| Other melanophores on tail | one dorso-ventral cluster or band | |||
| Melanophores on head + trunk | melanophores on head | |||
| Peritoneum | with row of melanophores | |||
| Pectorals | normal without melanophores | |||
| Pelvics | with elongated fin rays striking black | |||
| Body short and stocky with rounded head and snout; barbel develops on lower jaw at about 10 mm NL (3 barbels form on snout during juvenile stage). Yolk is absorbed at 3.6 mm. Pigmentation: spots on snout and crown; nape and peritoneal pigment sometimes merged in oblique swath as in Gaidropsarus; band on midtail, most dense at dorsal and ventral margins; spot on notochord tip on finfold (disappears with caudal ray formation); entire pelvic fin black with pigment, which persists until transformation when it may be restricted to distal part of fin only. Sequence of fin formation: pelvic (3.0 mm NL); second dorsal (6.0-10.0 mm NL); anal (6.0-10.0 mm NL); first dorsal (10.0-20.0 mm NL); pectoral | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of myomeres | 55 | 51 | 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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