Main Ref. | Campos-da-Paz, R., 2000 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | compressed |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | tube-like |
Position of mouth | terminal |
Type of scales | cycloid scales |
Diagnosis |
Distinguished by its congeners by the following combination of features: length from the tip of the snout to the posterior end of the anal-fin base 92.4-94.4 %TL; mouth length 5.9-7.3 %HL; distance between anterior and posterior nares 2.6-3.1 %HL; eye diameter 3.1-4.1 %HL; postocular distance 40.0-44.4 %HL; pectoral fin length 35.5-41.3 %HL; scales always present above lateral line along anterodorsal region of body; unbranched anterior anal-fin rays 18-22; a white to yellowish white (sometimes indistinct) band on frontal portion of head and middorsum; and pectoral and anal fins hyaline to translucent, without dark distal margins; small ellipsoid caudal fin with 13-15 rays (Ref. 36352). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 74 - 80 |
Scales in lateral series | |
Scale rows above lateral line | 11 - 13 |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total | 80 - 90 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 0 |
Soft-rays total | 0 - 0 |
Adipose fin |
Attributes | more or less truncate |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 166 - 178 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 14 - 15 | |
Pelvics | Attributes suppressed/absent |
Position | |
Spines 0 | |
Soft-rays 0 - 0 |