Main Ref: | Bertolini, F., U. D'Ancona, E. Padoa Montalenti, S. Ranzi, L. Sanzo, A. Sparta, E. Tortonese and M. Vialli 1956 |
min | max | mod | Ref. | |
Length at birth (mm) | 3 | |||
Preanal L. % TL | 46.8 |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | ovoid pigmented | Ref: | ||
Yolk | unsegmented | Oil globules | no oil globule | |
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Small spots of melan. around the primordial fin. 64-66 myomeres and 16-17 preanal ones. |
Striking feature | other | |||
Striking shape lateral | eel-like | dorsal | ||
Striking feature | other | |||
Shape of gut | elongated | |||
Gas bladder early | visible | late | ||
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | pigmented | |
Peritoneum | with row of melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
At 4.0mm small spots of melan. on primordial fin, 64-66 segments. At 25mm: D 140; A 120. |
min | max | mod | Ref. | |
Total number of myomeres | 63 | 66 | 64 | |
Preanal number of myomeres | 16 | 17 | 16 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 4 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |