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Larvae Information Summary for
Brama japonica
| 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 | Northeastern Pacific (South of southern California to Bering Sea, 54-66° N); Northwestern Pacific (Japan) | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
Post larvae
| Striking feature | none | |||
| Striking shape lateral | dorsal | |||
| Striking feature | none | |||
| Shape of gut | triangular | |||
| Gas bladder early | late | |||
| Spinal armature early | opercular spines only | late | opercular spines only | |
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pectorals | strikingly large with marginal melanophores | |||
| Pelvics | normal (i.e. small or absent) | |||
| Pigment covers anterior body; deep upper body; large pectoral fin; patterns of preopercular spines are useful diagnostic characters for bramis larvae. Pigment: gut and anterior body; crown; with development along hypural margin; pectoral fin fringes. | ||||
| L 1st feeding | Ref. |
Months of presence of larvae
|
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| max | Jan | Feb | Mar | Apr | ||
| min | May | Jun | Jul | Aug | ||
| mod | Sep | Oct | Nov | Dec | ||
| Water parameters Metric characters |
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