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) | 2.15 | |||
Preanal L. % TL | 56 |
Place of development | planktonic | |||
Larval area | Gulf of Naples (Mediterranean); Delaware Bay (USA) | |||
Yolk-sac | ovoid unpigmented | Ref: | ||
Yolk | Oil globules | one oil globuleposteriordorsalpigmented | ||
Rows on tail | dorsal row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | none | |||
Shape of gut | triangular | |||
Gas bladder early | late | |||
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | dorsal + ventral + lateral 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 | tail partly covered with melanophores | |||
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) | |||
At 4.3 mm, the caudal, dorsal, and anal fins are slightly differentiated; yolk-sac absent; 3 series of black pigment dashes occur on body - dorsal, median and ventral; pigment on top of head and gut; teeth present and diagnostic. At 7.3 mm, the fin rays are differentiated. At 9 mm, the finrays number of 1st D 8; 2nd D 1/25; A 2+1/26. At 26 mm, spinous dorsal further developed; fine dots on entire body; caudal fin forked. |
L 1st feeding | Ref. |
Months of presence of larvae
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max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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