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) | 1.83 | 240 | ||
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | ovoid pigmented | Ref: | 241 | |
Yolk | Oil globules | one oil globuleanteriorventralunpigmented | ||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
39 myomeres. Larvae 24 hours after hatching, 18 or 19 melanophores are seen along the ventral and caudal edges of the body, with a further two beneath the eyes and 7 or 8 on the anterior part of the ventral membranous fin. After 72 hours, the eyes become blackish in color with the dev. of mel. pigments within. |
Striking feature | teeth clearly visible | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | teeth clearly visible | |||
Shape of gut | triangular | |||
Gas bladder early | late | |||
Spinal armature early | several different spines | late | several different 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 | dorsal + ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | unpigmented | late | unpigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
Later-stage larvae are characterized by a particularly long and smooth second dorsal fin spine. |
max | min | mod | Ref. | |
Total number of vertebrae | 39 | |||
Preanal number of vertebrae | 20 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 3 | 240 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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