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) | 3 | |||
Preanal L. % TL | 61.1 |
Place of development | planktonic | |||
Larval area | Eastern Atlantic; Northwestern Pacific (East China Sea, Japan) | |||
Yolk-sac | ovoid unpigmented | Ref: | ||
Yolk | segmented | Oil globules | one oil globuleotherventralunpigmented | |
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | no melanophores on head or trunk | |||
The yolk sac reaches the anterior profile of the head. The yolk is composed of large vesicles which becomes minutely granular on the periphery. |
Striking feature | light organs | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | light organs | |||
Shape of gut | elongated | |||
Gas bladder early | pigmented | late | pigmented | |
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head | |||
Pigmentation late | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head | |||
Urostyle region early | unpigmented | late | unpigmented | |
Peritoneum | without melanophores | |||
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) | |||
The early larvae have vertically elongated eyes. The pectoral fins are small, rounded and membranous. Post larvae measure 11-12 mm (Ref. 57912). At this length, photophore composition is essentially identical with Araiophos eastropas adult (Ref. 57912). |
L 1st feeding | Ref. |
Months of presence of larvae
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max | 5.45 | Jan | Feb | Mar | Apr | |
min | 4.5 | May | Jun | Jul | Aug | |
mod | 5 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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