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Larvae Information Summary for
Vinciguerria poweriae
| Main Ref: | Bertolini, F., U. D'Ancona, E. Padoa Montalenti, S. Ranzi, L. Sanzo, A. Sparta, E. Tortonese and M. Vialli 1956 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | ||||
| Preanal L. % TL |
| Place of development | ||||
| Larval area | to be filled | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
| Rows on tail | ||||
| Other melanophores on tail | ||||
Post larvae
| Striking feature | stalked eyes | |||
| Striking shape lateral | eel-like | dorsal | ||
| Striking feature | stalked eyes | |||
| Shape of gut | tube-like | |||
| Gas bladder early | invisible | late | ||
| Spinal armature early | no spines | late | no spines | |
| Pigmentation early | ||||
| Rows on tail | no rows | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | no melanophores on head or trunk | |||
| Pigmentation late | ||||
| Rows on tail | no rows | |||
| Other melanophores on tail | tail with single melanophore | |||
| Melanophores on head + trunk | no melanophores on head or trunk | |||
| Urostyle region early | unpigmented | late | pigmented | |
| Peritoneum | without melanophores | |||
| Pectorals | other | |||
| Pelvics | normal (i.e. small or absent) | |||
| Elliptical eyes. Snout elongate and strongly depressed. At 9.1 mm dorsal and anal pterygiophores present. Near the posterior end of intestine an oval, reddish organ. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of myomeres | 38 | 266 |
| L 1st feeding | Ref. |
Months of presence of larvae
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| max | Jan | Feb | Mar | Apr | ||
| min | May | Jun | Jul | Aug | ||
| mod | Sep | Oct | Nov | Dec | ||
| Water parameters Metric characters |
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