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) | 2.2 | |||
Preanal L. % TL | 81.8 |
Place of development | planktonic | |||
Larval area | Eastern Atlantic | |||
Yolk-sac | spherical | Ref: | ||
Yolk | segmented | Oil globules | one oil globuleposteriorcentral | |
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | no melanophores on head or trunk | |||
Striking feature | light organs | |||
Striking shape lateral | eel-like | dorsal | ||
Striking feature | light organs | |||
Shape of gut | tube-like | |||
Gas bladder early | late | |||
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | ventral + lateral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | ventral + lateral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | pigmented | |
Pectorals | other with few scattered melanophores | |||
Pelvics | normal (i.e. small or absent) without melanophores | |||
A lateroventral row of black pigments. Eye ellipsoidal. Pectorals with a rounded dorsal part and with a very elongated ventral part. Intestine protrudes from the anal aperture outside the body. At 13 mm subcircular eyes, head no more depressed. Pigmentation: Pigment profusely distributed on all myomeres below the lateral midline. |
max | min | mod | Ref. | |
Total number of myomeres | 39 | |||
Preanal number of myomeres | 26 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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