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Larvae Information Summary for
Pleuronectes quadrituberculatus
| 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 | planktonic | |||
| Larval area | Gulf of Alaska, 54-60° 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: distinguished from other pleuronectids without pigment bands by: pigment pattern: urostyle unpigmented; no slash-like pigment along hypaxial myomeres; finfold pigment mainly restricted to anal finfold; size at transformation about 10 mm SL. Pigment: isthmus, posteroventrally on gut; initially, in preflexion larvae, dorsal spots over posterior half of body that become less prominent with development; ventral midline melanophores extend onto finfold and on caudal region; internal row above notochord throughout development. Sequence of fin development: caudal, dorsal and anal, pelvics, pectorals. | ||||
| 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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