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Larvae Information Summary for
Pleuronichthys coenosus
| 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 | South of southern California to southeast Alaska, 55-59° 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: heavy pigment pattern; distinguished from P. decurrens by: pigment pattern: P. coenosus has less finfold pigment than P. decurrens; precaudal vertebrae 12-13, whereas P. decurrens usually has 14-15; lack of pterotic spines. Pigment: preflexion larvae: opposing pigment clusters on dorsal and ventral finfolds, increasing with development; small melanophores covering all but posterior ¼ of body. Sequence of fin development: caudal slightly before 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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