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) | 2.5 | |||
Preanal L. % TL | 40.2 |
Place of development | planktonic | |||
Larval area | Eastern Atlantic | |||
Yolk-sac | ovoid pigmented | Ref: | ||
Yolk | unsegmented | Oil globules | one oil globuleanteriorcentralpigmented | |
Rows on tail | ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
There is a small appendage on the dorsal trunk. Abundant pigments on the head and the trunk. The caudal region pigmented. |
Striking feature | some dorsal fin rays very elongated | |||
Striking shape lateral | eel-like | dorsal | normal (not striking) | |
Striking feature | some dorsal fin rays very elongated | |||
Shape of gut | spherical or gut loop | |||
Gas bladder early | late | |||
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | dorsal + 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 | more than two dorso-ventral clusters or bands | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | pigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
A dorsal appendage (vexillum) is developed and at 4 mm it is longer than the trunk. |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 3.8 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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