| FishBase |
Larvae Information Summary for
Brosmophycis marginata
| Main Ref: | Ambrose, D.A. 1996 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | 8 | |||
| Preanal L. % TL |
| Place of development | planktonic | |||
| Larval area | California Current region | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
| Rows on tail | dorsal + ventral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pigmentation: similar to 9.8 mm preflexion larva; on lip; gas bladder; above cleithrum; 3 patches laterally on gut; 4 more or less alternating patches dorsally and ventrally; heavy along tail margins and onto finfold anterior to notochord tip. | ||||
Post larvae
| Striking feature | none | |||
| Striking shape lateral | normal (not striking) | dorsal | ||
| Striking feature | none | |||
| Shape of gut | spherical or gut loop | |||
| Gas bladder early | pigmented | late | ||
| Spinal armature early | no spines | late | no spines | |
| Pigmentation early | ||||
| Rows on tail | dorsal + ventral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pigmentation late | ||||
| Rows on tail | dorsal + ventral row | |||
| Other melanophores on tail | one dorso-ventral cluster or band | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pectorals | normal without melanophores | |||
| Pelvics | normal (i.e. small or absent) without melanophores | |||
| Total vertebrae 63-65; total pectoral fin rays 16-17; branchiostegals 7; gut looped at about 9-10 mm BL and is positioned about mid-cavity; pigmentation in alternating patches along dorsum and ventrum through midflexion stage. Pigmentation: Flexion: on opercle and snout; row along base of dorsal and anal fin pterygiophores; scattered on base of caudal fin and in dorsal and anal fins. Transformation-juvenile: scattered over body. Sequence of fin development: dorsal and anal, caudal, pectorals, pelvics. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of vertebrae | 65 | 63 | 36488 |
| 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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