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 | elongated |
Cross section | oval |
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 | terminal |
Type of scales | cycloid scales |
Diagnosis |
Body elongate and sub cylindrical with small cycloid scales; head long and pointed. Mouth large and horizontal, the tip of the lower jaw protruding; intermaxilla non-protractile. Preoperculum broadly rounded. Lower limb of the first fill arch with spiny tubercles. First dorsal fin origin opposite or before the pectoral tip, the first spine shorter than the second. Color is generally blackish above and silvery below. Description: Characterized further by having 112-123 lateral line scales; absence of gill rakers, spinules on 10-20 tubercles of lower limb; closely spaced teeth, posterior ones in lower jaw angeled backwards; very large eye; depth of body 6.9-7.7 in SL (Ref. 90102). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 112 - 133 |
Pored lateral line scales | 112 - 123 |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 0 - 0 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 6 - 6 |
Soft-rays total | 9 - 9 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 9 - 9 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 14 - 15 | |
Pelvics | Attributes more or less normal |
Position abdominal beneath origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |