Main Ref: | Sado, T. and S. Kimura 2005 |
min | max | mod | Ref. | |
Length at birth (mm) | 4.8 | 5.1 | ||
Preanal L. % TL |
Place of development | other | |||
Larval area | based on rearing experiment in a laboratory | |||
Yolk-sac | other unpigmented | Ref: | 56897 | |
Yolk | unsegmented | Oil globules | no oil globule | |
Rows on tail | no rows | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | no melanophores on head or trunk | |||
Yolk-sac larvae with transparent head and body, presence of melanophores in eyes. Yolk-sac is large (49-53% of BL), pear-shaped, and is located along venter of the head and body from snout to tip to just before the anus. Yolk completely absorbed during flexion. Finfold number is relatively low, depth is almost the same dorsally and ventrally. Finfold notches at tail present ventrally just after hatching, appearing dorsally in preflexion larvae. Mouth, gill opening, and nostrils forming in preflexion larvae. Gas bladder visible in preflexion larvae. Myomeres V-shaped in newly hatched larvae, becoming W-shaped in postflexion stage. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | normal (not striking) | |
Striking feature | none | |||
Shape of gut | elongated | |||
Gas bladder early | visible | late | pigmented | |
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | dorsal row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Pigmentation late | ||||
Rows on tail | dorsal + lateral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Urostyle region early | pigmented | late | pigmented | |
Peritoneum | covered with melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) | |||
Preflexion larva: 5.8-7.1 mm; Flexion larva: 7.2 mm; Postflexion larva: >=7.7 mm. Fin development: pectoral, caudal, dorsal-anal, pelvic. |
min | max | mod | Ref. | |
Total number of myomeres | 36 | 39 | 56897 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | Sep | Oct | Nov | Dec |
Similar species 1 | 14474Cyprinusbarbatus |
Remarks | |
Presence of a dark lateral streak on the head. |
Similar species 2 | Zaccoplatypus |
Remarks | |
Presence of a darl lateral streak on the head. Also Z. temminckii. |
Water parameters Metric characters |