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) | ||||
Preanal L. % TL |
Place of development | ||||
Larval area | to be filled | |||
Yolk-sac | ovoid | Ref: | ||
Yolk | unsegmented | Oil globules | one oil globuleposteriorcentral | |
Rows on tail | ||||
Other melanophores on tail | ||||
Striking feature | ||||
Striking shape lateral | short and/or deep | dorsal | compressed | |
Striking feature | ||||
Shape of gut | spherical or gut loop | |||
Gas bladder early | pigmented | late | pigmented | |
Spinal armature early | no spines | late | ||
Rows on tail | no rows | |||
Other melanophores on tail | one dorso-ventral cluster or band | |||
Pigmentation late | ||||
Rows on tail | no rows | |||
Other melanophores on tail | one dorso-ventral cluster or band | |||
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) | |||
At 7 mm length the dorso-ventral cluster starts at the 210-220 caudal segment and extends over 3-4 segments. At 9 mm the urochord has not yet turned up and the cluster is between the 21th and 24th caudal vertebra. At 12mm:D 106-119 |
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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