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Larvae Information Summary for
Blennius ocellaris
| Main Ref: | Russell, F.S. 1976 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | 4.6 | |||
| Preanal L. % TL | 40.2 |
| Place of development | planktonic | |||
| Larval area | shallow, coastal waters | |||
| Yolk-sac | Ref: | 37 | ||
| Yolk | unsegmented | Oil globules | more than one oil globuleunpigmented | |
| Rows on tail | ventral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Melanophores on the snout, head and peritoneal area. Short pectoralfin; strongly pigmented. Rectum behind the posterior border of the sac. | ||||
Post larvae
| Striking feature | none | |||
| Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
| Striking feature | none | |||
| Shape of gut | triangular | |||
| Gas bladder early | invisible | late | invisible | |
| Spinal armature early | no spines | late | no spines | |
| Pigmentation early | ||||
| Rows on tail | ventral row | |||
| Other melanophores on tail | tail with single melanophore | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pigmentation late | ||||
| Rows on tail | ventral row | |||
| Other melanophores on tail | tail with single melanophore | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Urostyle region early | pigmented | late | pigmented | |
| Peritoneum | covered with melanophores | |||
| Pectorals | strikingly large with rows of melanophores | |||
| Pelvics | normal (i.e. small or absent) | |||
| Ventral row consists of 4 to 5 melanophores, only 1 or 2 melanophores in the caudal region. | ||||
| 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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