Main Ref. | McKay, R.J., 1992 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | elongated |
Cross section | circular |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | terminal |
Type of scales | ctenoid scales |
Diagnosis |
The swim bladder is very elongate with a single slender tapering posterior extension and two anterolateral extensions. No duct-like urogenital aperture is present. Body color is pale brown, gray brown, or dark olive green above, and whitish pale brown or silvery below with reflections of mauve, blue green when fresh. The back and upper sides with oblique rows of small round dark brown to rusty brown spots; the lower sides with open-spaced rather scattered round dark spots. The belly is white and without spots. The dorsal fins are uniformly dark greenish brown to light brown sometimes spotted with dark brown; the anal, pectoral and pelvic fins are pale brown to hyaline; the caudal fin is greenish to brownish and finely dusted with brown (Ref. 6205). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 129 - 147 |
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 | |
total |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 12 - 14 |
Soft-rays total | 25 - 27 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 21 - 24 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 15 - 16 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |