Main Ref. | Poss, S.G. and V.G. Springer, 1983 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | fusiform / normal |
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 |
Anterior end of isthmus without fleshy papillae. Gill membranes not broadly united to isthmus (Ref. 39602). Frontal and parietal bones strongly ossified. Preorbital spines absent. Anterior dorsal-fin spines extremely short. Fin rays unbranched. Scales absent except on the lateral line; 10 tubed scales, posteriormost on base of caudal fin; without spinous projections. Pelvic fin membrane adnate to body, fused to membrane of opposite side. Pectoral fin lacking a detached ray (Ref. 35988). |
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 | 10 - 10 |
on upper limb | 4 - 4 |
total | 14 - 14 |
Vertebrae | |
preanal | |
total | 25 - 25 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 8 - 8 |
Soft-rays total | 13 - 13 |
Adipose fin |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 8 - 8 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 19 - 20 | |
Pelvics | Attributes more or less normal |
Position thoracic | |
Spines 1 | |
Soft-rays 3 - 3 |