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Larvae Information Summary for
Chauliodus sloani
| 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) | 7.2 | |||
| Preanal L. % TL | 84 |
| Place of development | planktonic | |||
| Larval area | to be filled | |||
| Yolk-sac | elongated | Ref: | ||
| Yolk | segmented | Oil globules | no oil globule | |
| Rows on tail | no rows | |||
| Other melanophores on tail | no other melanophores | |||
| Black chromatophores at the caudal fin fold. | ||||
Post larvae
| Striking feature | ||||
| Striking shape lateral | eel-like | dorsal | ||
| Striking feature | ||||
| Shape of gut | tube-like | |||
| Gas bladder early | late | |||
| Spinal armature early | no spines | late | no spines | |
| Rows on tail | no rows | |||
| Other melanophores on tail | no other melanophores | |||
| Rows on tail | no rows | |||
| Other melanophores on tail | no other melanophores | |||
| Urostyle region early | unpigmented | late | unpigmented | |
| Peritoneum | without melanophores | |||
| Pectorals | other | |||
| Pelvics | normal (i.e. small or absent) | |||
| At 14.0 mm caudal fin fold in form of spatula, pectorals very small, eye slightly elliptical. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of vertebrae | 62 | 54 | 58 | 262 |
| Preanal number of myomeres | 54 |
| 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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