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Larvae Information Summary for
Eumicrotremus orbis
| Main Ref: | Matarese, A.C., A.W. Kendall, D.M. Blood and M.V. Vinter 1989 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | ||||
| Preanal L. % TL |
| Place of development | in close association with substrate | |||
| Larval area | Washington, 46-48°30’N, to Chukchi Sea, north of 66° N | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
Post larvae
| Striking feature | ||||
| Striking shape lateral | dorsal | |||
| Striking feature | ||||
| Shape of gut | ||||
| Gas bladder early | late | |||
| Spinal armature early | late | |||
| Diagnostic characters: small melanophores covering most of body and dorsal fin; globular shape, spines; precocious fin development. Pigment: initially, heavily pigmented except caudal peduncle, area around anus, first three anal rays, and snout. Sequence of fin development: pelvics and caudal (prior to hatch), dorsal spines, dorsal rays, pectorals, anal (although caudal development is initiated prior to hatch, it is the last to complete development). | ||||
| 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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