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Larvae Information Summary for
Xiphister atropurpureus
| 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 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 X. mucosus by: relatively smaller at comparable stages of development; internal pigment over notochord generally more prominent; relatively short snout-anus length (preanal myomeres 23-25 vs. 28-30 in X. mucosus. Pigment: postanal ventral midline with about 36 spots (range 28-46); dorsally about eight spots on gut; ventral pigment present; row of internal pigment over notochord. Sequence of fin development: caudal, anal and dorsal, 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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