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Larvae Information Summary for
Belone belone
| Main Ref: | Russell, F.S. 1976 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | 13 | 9 | 9 | |
| Preanal L. % TL | 64 |
| Place of development | planktonic | |||
| Larval area | to be filled | |||
| Yolk-sac | pigmented | Ref: | 37 | |
| Yolk | unsegmented | Oil globules | no oil globule | |
| Rows on tail | no rows | |||
| Other melanophores on tail | tail completely covered with melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Projection of the lower jaw beyond the upper, nopremordialdorsal fin; developing fin rays in the true dorsal and anal fins. | ||||
Post larvae
| Striking feature | lower jaw strongly projecting | |||
| Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
| Striking feature | lower jaw strongly projecting | |||
| Shape of gut | tube-like | |||
| Gas bladder early | invisible | late | invisible | |
| Spinal armature early | no spines | late | no spines | |
| Pigmentation early | ||||
| Rows on tail | no rows | |||
| Other melanophores on tail | tail completely covered with melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pigmentation late | ||||
| Rows on tail | no rows | |||
| Other melanophores on tail | tail completely covered with melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Urostyle region early | pigmented | late | pigmented | |
| Peritoneum | covered with melanophores | |||
| Pectorals | normal covered with melanophores | |||
| Pelvics | normal (i.e. small or absent) | |||
| Elongation of lower jaw starts at 18 mm length. Melanophores arranged along myomeres in the dorsal part of the body. | ||||
| L 1st feeding | Ref. | Months of presence of larvae | ||||
| max | Jan | Feb | Mar | Apr | ||
| min | May | Jun | Jul | Aug | ||
| mod | 8 | Sep | Oct | Nov | Dec | |
| Water parameters Metric characters |
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