| FishBase |
Larvae Information Summary for
Brotula clarkae
| Main Ref: | Ambrose, D.A. 1996 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | ||||
| Preanal L. % TL | 46 | 46 |
| Place of development | planktonic | |||
| Larval area | California Current region | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
Post larvae
| Striking feature | other | |||
| Striking shape lateral | normal (not striking) | dorsal | ||
| Striking feature | other | |||
| Shape of gut | spherical or gut loop | |||
| Gas bladder early | late | |||
| Spinal armature early | no spines | late | no spines | |
| Rows on tail | lateral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Peritoneum | covered with melanophores | |||
| Pectorals | strikingly large with marginal melanophores | |||
| Pelvics | with elongated fin rays without melanophores | |||
| Pectoral fin rays 26-28 (usually 27); total caudal fin rays 6+5; branchiostegal rays 8; 12 barbels, 3 above and 3 below on each side of mouth; long pectoral and pelvic fin rays (>12% of BL); oval patch of stellate melanophores on cheeks; large dashed melanophores posteriolaterally on tail. Pigmentation: Postflexion: by 40 mm, scattered over mid- and hindbrain; under eye; oval patch (stellate melanophores) on most of cheek; evenly scattered over peritoneum; several dashes along base of dorsal and anal fin pterygiophores; scattered medially on dorsal fin; row under middle of dorsal fin, spreading anteriad. Transformation: by 50 mm, distally on pectoral fin rays. Juvenile: by 65 mm, scattered over entire body, heaviest at edges of unpaired fins. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of vertebrae | 56 | 55 | 36413 |
| 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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