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 | 48 |
Place of development | planktonic | |||
Larval area | Northwestern Pacific (Japan); eastern central Atlantic | |||
Yolk-sac | ovoid pigmented | Ref: | ||
Yolk | Oil globules | one oil globuleposteriorcentralpigmented | ||
Rows on tail | dorsal + ventral row | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Only a few dorsal postanal chromatophores. |
Striking feature | teeth clearly visible | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | teeth clearly visible | |||
Shape of gut | triangular | |||
Gas bladder early | late | |||
Spinal armature early | several different spines | late | several different spines | |
Pigmentation early | ||||
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | unpigmented | late | unpigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
Presence of several preopercular spines in two rows during the early stage and later, these preopercular spines have the posterior ones longer. |
max | min | mod | Ref. | |
Total number of vertebrae | 40 | 39 | 39 | |
Preanal number of vertebrae | 19 | 18 | 18 |
L 1st feeding | Ref. |
Months of presence of larvae
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max | 3.6 | Jan | Feb | Mar | Apr | |
min | 3.2 | May | Jun | Jul | Aug | |
mod | 3.4 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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