Larvae Information Summary for
Phytichthys chirus
| Main Ref: | Matarese, A.C., A.W. Kendall, D.M. Blood and M.V. Vinter 1989 | |||
Yolk-sac larvae
| min | max | mod | Ref. | |
| Length at birth (mm) | ||||
| Preanal L. % TL |
| Place of development | planktonic | |||
| Larval area | Southern California, 32-34° N, to Bering Sea, 54-66° 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 Xiphister species by: relatively large at comparable stages of development (e.g., hatching occurs >10.0 mm SL); larger relatively eye diameter; dorsal body midline unpigmented in preflexion and flexion larvae; distinguished from Anoplarchus purpurescens by lack of hypural spots in preflexion and flexion larvae. Pigment: postanal ventral midline with about 30 spots; dorsally about eight spots ongut; ventral pigment present; row of internal pigment over notochord. Sequence of fin development: caudal, dorsal and anal, 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 |