| FishBase |
| Main Ref: | Neira, F.J. 1998 | |||
| max | min | mod | Ref. | |
| Length at birth (mm) | 28.5 | 27 | ||
| Preanal L. % TL | 44 | 33 |
| Place of development | in closed nest (e.g. burrow or tunnel) | |||
| Larval area | Wilson Inlet (WA) | |||
| Yolk-sac | ovoid pigmented | Ref: | ||
| Yolk | Oil globules | |||
| Rows on tail | no rows | |||
| Other melanophores on tail | tail partly covered with melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Head small. Eyes laterally positioned (Ref. 33840). Four pairs of mouth barbels, and presence of dendritic organ posterior to anus, at hatching (Ref. 33840). Large yolk sac at hatching resorbed by settlement (Ref. 33840). Pectoral and pelvic fin buds present, and median fins nearly formed at hatching (Ref. 33840). | ||||
| Striking feature | none | |||
| Striking shape lateral | eel-like | dorsal | compressed | |
| Striking feature | none | |||
| Shape of gut | spherical or gut loop | |||
| Gas bladder early | late | |||
| Spinal armature early | late | |||
| 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 | pigmented | late | pigmented | |
| Peritoneum | without melanophores | |||
| Pectorals | normal with few scattered melanophores | |||
| Pelvics | fin rays only with melanophores | |||
| Diagnostic characters: first dorsal fin, and confluent second dorsal, caudal and anal fins nearly formed at hatching; large yolk sac at hatching; protruding dendritic organ just posterior to anus; four pairs of barbels around mouth. Sequence of fin development: caudal prior to hatching; anal prior to hatching; first dorsal prior to hatching; second dorsal (-34.0 mm); pectoral (28.5-34.0 mm); pelvic (28.5-34.0 mm). Eyes dorsally positioned by settlement stage (Ref. 33840). | ||||
| max | min | mod | Ref. | |
| Total number of vertebrae | 78 | 77 | 33840 |
| 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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