Main Ref. | Myers, R.F., 1991 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | short and / or deep |
Cross section | compressed |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | |
Type of scales | |
Diagnosis |
Distinguished from all other Micronesian genera by having a nearly continuous bony ridge extending from the anterior margin of the lower eye to the posterior margin of the upper eye, and a narrow interorbital space, always greater than the greatest eye diameter. Description: Characterized further by blotchy pale brown body color with three rows (approximately along lateral line) of large black-edged pale spots enclosing black dots, except posterior most spot on lateral line sometimes solid black; first dorsal ray moderately prolonged and separated from rest of fin, with central stalk and narrow, fringed membrane, extending more than half-way to base; ctenoid scales on eyed side, cycloid on blind side; palmate gill rakers; lower eye slightly anterior to upper; lower jaw extending to below front edge of lower eye or slightly posterior; uniserial teeth on both jaws; depth of body 2.0-2.4 in SL (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 | 8 - 9 |
on upper limb | 0 - 0 |
total | 8 - 9 |
Vertebrae | |
preanal | |
total |
Attributes | extending over most of the back length |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | 77 - 84 |
Adipose fin | absent |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 55 - 62 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 9 - 11 | |
Pelvics | Attributes more or less normal |
Position jugular beneath origin of D1 | |
Spines | |
Soft-rays |