Main Ref. | Cohen, D.M. and J.G. Nielsen, 1982 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
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 | terminal |
Type of scales | |
Diagnosis |
Ontogenetic change in color pattern occurs; small individuals with horizontal bands on body; bands assuming a vermiculate pattern on medium-sized fishes; becoming blotched or slightly vermiculate in large specimens. 3-4 developed gill rakers. Small body scales arranged in 130-145 regular rows along the side; base of pectorals with scales, none on bases of vertical fins. Dense, small, fleshy papillae on lips. Supraorbital pores 2; suborbital 5 ?; lateral 1; preoperculomandibular 8; temporal 1. Pyloric caeca numerous, about 45. |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 51 - 52 |
Pored lateral line scales | |
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 | |
Vertebrae | |
preanal | 14 - 14 |
total | 51 - 52 |
Attributes | continuous with caudal fin |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 0 |
Soft-rays total | 94 - 96 |
Adipose fin | absent |
Attributes | more or less truncate |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 71 - 73 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 27 - 27 | |
Pelvics | Attributes reduced to filaments |
Position jugular before origin of D1 | |
Spines | |
Soft-rays |