Larvae Information Summary for
Ophiodon elongatus
| 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 | South of southern California to Gulf of Alaska, 54-60°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 hexagrammids by: pointed snout, protruding lower jaw; large terminal mouth with gape directed upward; longer gut; distribution of pigment on tail. Pigment: head and snout; laterally on surface of gut; along dorsal midline and ventrolateral body; rather uniformly pigmented (flexion). Sequence of fin development: caudal and pectorals, 2nd dorsal (rays) and anal, 1st dorsal (spines), pelvics. | ||||
| 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 |