Main Ref. | Randall, J.E. and B.A. Carlson, 1997 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | more or less normal |
Type of mouth/snout | clearly protrusible |
Position of mouth | terminal |
Type of scales | cycloid scales |
Diagnosis |
Flexible anal fin spines; 19 or 20 + 5 or 6 pored lateral line scales with single horizontal tubule, ending in a pore; scales thin and rhomboidal, those of thorax and anterior abdomen smaller than those of side of body; head naked except for 2 small scales dorsally on opercle and diagonal row of 5 partially embedded scales behind eye; no median predorsal scales; 3 small median prepelvic scales; anterior third of prepelvic region naked; branchiostegal rays 6; upper jaw strongly protrusible, median process of premaxilla extending to above anterior pupil edge; body moderately elongate, the depth 4.2-4.45 in SL; dorsal part of head from front of snout to origin of dorsal fin with a fleshy median ridge, the interorbital space high and triangular when viewed from the front; interorbital space narrowest anteriorly; caudal fin small, 1.45-1.65 in head length; pelvic fins small, 2.2-3.05 in head length (Ref. 26794). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 24 - 26 |
Scales in lateral series | |
Scale rows above lateral line | 2 - 2 |
Scale rows below lateral line | 7 - 7 |
Scales around caudal peduncle | 16 - 16 |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 20 - 24 |
Vertebrae | |
preanal | |
total | 25 - 25 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 9 - 9 |
Soft-rays total | 12 - 12 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | |
Spines total | 3 - 3 |
Soft-rays total | 12 - 12 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 13 - 13 | |
Pelvics | Attributes more or less normal |
Position thoracic behind origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |