Larvae Information Summary for
Salmo trutta
| Main Ref: | Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve 1993 | |||
Yolk-sac larvae
| min | max | mod | Ref. | |
| Length at birth (mm) | 12 | 6390 | ||
| Preanal L. % TL |
| Place of development | in closed nest (e.g. burrow or tunnel) | |||
| Larval area | Northwestern Pacific | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
| Rows on tail | ||||
| Other melanophores on tail | ||||
Post larvae
| Striking feature | none | |||
| Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
| Striking feature | none | |||
| Shape of gut | ||||
| Gas bladder early | late | |||
| Spinal armature early | late | |||
| Pigmentation early | ||||
| Rows on tail | no rows | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on trunk | |||
| Rows on tail | lateral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on trunk | |||
| Larvae found in clean gravel with flowing waters. | ||||
| L 1st feeding | Ref. | Months of presence of larvae < >Ref. | ||||
| max | 25 | 26526 | Jan | Feb | Mar | Apr |
| min | May | Jun | Jul | Aug | ||
| mod | Sep | Oct | Nov | Dec | ||
| Water parameters Metric characters |