| Main Ref. | Myers, R.F., 1991 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | striking shape of body |
| Body shape lateral (shape guide) | eel-like |
| Cross section | oval |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Shorter pectoral fins than other Micronesian Kaupichthys. Description: Characterized by its uniform greyish brown color; small pectoral fins, shorter than eye diameter; greatest body depth 24-28 in TL; snout to dorsal-fin origin 6.9-7.5; snout to anus about 3.0-3.2 in TL; HL 7.3-7.9 in TL; snout length of 4.5-4.9 in HL; depressed snout, about as broad as long; large eye over posterior part of gape, 1.5-1.8 in snout length; slightly projecting upper jaw; small, multiserial conical teeth on both upper and lower jaws; two widely separated rows of vomerine teeth (Ref. 90102). |
| Ease of Identification |
| 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 | continuous with caudal fin |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | pointed; confluent |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays | |
| Pelvics | Attributes suppressed/absent |
| Position | |
| Spines | |
| Soft-rays |