Main Ref: | Sparta, A. 1939 |
min | max | mod | Ref. | |
Length at birth (mm) | 3.7 | |||
Preanal L. % TL | 66.6 |
Place of development | in mouth (mouthbrooders) | |||
Larval area | to be filled | |||
Yolk-sac | ovoid pigmented | Ref: | ||
Yolk | segmented | Oil globules | one oil globuleposteriorventralunpigmented | |
Rows on tail | no rows | |||
Other melanophores on tail | tail with single melanophore | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Black chromatophores on the margin of the dorsal and ventral primordial fin. A ventral preanal rowof melanophores. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | none | |||
Shape of gut | elongated | |||
Gas bladder early | late | |||
Spinal armature early | late | several different spines | ||
Pigmentation early | ||||
Rows on tail | no rows | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | no rows | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | unpigmented | late | unpigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) with melanophores | |||
At 8 mm the urostyle has turned up. The intestine is covered with melanophores. Many melanophores on the jaws. |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | 4.2 | Sep | Oct | Nov | Dec |
Water parameters Metric characters |