| FishBase |
| Main Ref: | Bertolini, F., U. D'Ancona, E. Padoa Montalenti, S. Ranzi, L. Sanzo, A. Sparta, E. Tortonese and M. Vialli 1956 | |||
| 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 | ||||
| Striking feature | duck-billed shape of head | |||
| Striking shape lateral | dorsal | |||
| Striking feature | duck-billed shape of head | |||
| Shape of gut | tube-like | |||
| Gas bladder early | late | |||
| Spinal armature early | no spines | late | no spines | |
| Rows on tail | no rows | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Rows on tail | no rows | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Peritoneum | without melanophores | |||
| Pectorals | normal | |||
| Pelvics | normal (i.e. small or absent) | |||
| Elliptical eye. Snout upturned and very depressed. Head inclined downwards. Very large dorsal fin fold. Small black chromatophores along the entire dorsal and ventral margin of fin fold and trunk. Smaller chromatophores on ventral profile of intestine. | ||||
| max | min | mod | Ref. | |
| Total number of myomeres | 39 | |||
| Preanal number of myomeres | 32 |
| 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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