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) | 3.6 | |||
Preanal L. % TL | 48 |
Place of development | planktonic | |||
Larval area | to be filled | |||
Yolk-sac | ovoid | Ref: | ||
Yolk | unsegmented | Oil globules | no oil globule | |
Rows on tail | ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Primordial fin without melanophores. 15-16 preanal segments and 42-45 postanal 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 trunk | |||
Pigmentation late | ||||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on trunk | |||
Urostyle region early | pigmented | late | pigmented | |
Peritoneum | with row of melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
The postanal ventral row of melanophores starts from the anus to the end of the tail. The dorsal postanal row extends in the urostyle region. At 17mm: D 128; A 110. |
min | max | mod | Ref. | |
Total number of myomeres | 72 | 74 | 70 | |
Preanal number of myomeres | 15 | 16 | 15 |
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 |