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) | 2.8 | |||
Preanal L. % TL | 42.9 |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | spherical pigmented | Ref: | ||
Yolk | unsegmented | Oil globules | no oil globule | |
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head | |||
Eight preanal myomeres. Eye pigmented. |
Striking feature | other | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | other | |||
Shape of gut | triangular | |||
Gas bladder early | late | |||
Spinal armature early | several different spines | late | several different spines | |
Pigmentation early | ||||
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head | |||
Pigmentation late | ||||
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | unpigmented | late | unpigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | strikingly large other | |||
Pelvics | normal (i.e. small or absent) | |||
A very strong cephalic spinal armature. Pectoral fins with 18 rays and marginal rows of melanophores. At 6 mm: dorsal, ventral and lateral row of chromatophores. |
max | min | mod | Ref. | |
Total number of myomeres | 24 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 2.96 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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