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) | 2.9 | 3.5 | ||
Preanal L. % TL | 59 |
Place of development | planktonic | |||
Larval area | Northwestern Pacific (Japan) | |||
Yolk-sac | ovoid pigmented | Ref: | ||
Yolk | segmented | 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 | |||
Ten preanal segments and 24 totaly. |
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 | several different spines | late | several different spines | |
Pigmentation early | ||||
Rows on tail | dorsal + lateral + ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | dorsal + lateral + ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | unpigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
At 5 mm: 4 preopercular spines, of which 3 are much longer. At 9.7 mm: D 7+33; A 2/21; C 2-3/17/2-3; V 6. Preopercular spines reduce. |
L 1st feeding | Ref. |
Months of presence of larvae
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max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 4 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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