Main Ref. | Boulenger, G.A., 1910 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | circular |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Diagnosis: body elongated, 5.66-6 times longer than deep (Ref. 45616). Body depth equal to head length, the latter 5.33 times in total length; eye lateral, visible from below as well as from above, its diameter 3.33 times in head length; sides and lower surface of head with conical horny tubercles; males with cupshaped apparatus on operculum, much larger than eye, and followed, on scapular region, by a large lamellar pad (18-19 lamellae) (Ref. 1869). Dorsal fin with 7 branched rays (Ref. 1880), originating well beyond vertical of base of pelvic fins (Ref. 1869, 45616). Anal fin with 8-9 branched rays (Ref. 1880). Caudal fin deeply notched, crescentic; pale brownish above, yellowish beneath, with scattered dark brown dots and a series of round blackish spots, connected by a dark brown lateral band, just above the lateral line; fins uniform whitish (Ref. 1869). A black dot at base of pelvic fins (Ref. 1880). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 102 - 120 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 16 - 18 |
Scale rows below lateral line | 10 - 11 |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 |
Ventral 0 | |
Spines total | 0 |
Soft-rays total | 10 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 |
Soft-rays total | 11 - 12 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position | |
Spines 0 | |
Soft-rays |