| Main Ref. | Myers, R.F., 1991 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Ranges from pale greenish to dirty white in color; blackish-brown saddles above; normally with a round dark blotch above origin of anal fin; soft dorsal and anal fins hyaline, tips dusky; caudal fin yellowish (Ref. 4421). Description: Characterized by first dorsal spine shorter than snout, origin above posterior half of eye and folding into groove along back; straight or slightly concave dorsal profile of snout; pelvic rudiment very small or absent, absence of ventral flap; broad, elliptical, dense patch of setae posteriorly on body, ending in two pairs of anteriorly directed spines on base of caudal fin; depth of body at origin of anal fin 2.0-2.4 in SL (Ref. 90102). |
| Ease of Identification | likely to be confused with closely related species. |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| 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 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 2 - 2 |
| Soft-rays total | 25 - 28 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 22 - 25 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 10 - 12 | |
| Pelvics | Attributes suppressed/absent |
| Position | |
| Spines 0 | |
| Soft-rays 0 - 0 |