Main Ref. | Myers, R.F., 1991 |
Appearance refers to | Male; Female |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | circular |
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 | sub-terminal/inferior |
Type of scales | |
Diagnosis |
This species has the dorsal and anal fins continuous with caudal fin; with 4 pairs of mouth barbels; and a single highly venomous serrate spine at the beginning of the first dorsal and each of the pectoral fins (Ref. 1602). Description: Characterized by black to brown color on upper side; white ventrally; pair of narrow white stripes extending from head to caudal fin; well separated dorsal fins; origin of second dorsal fin posterior to level of pelvic fin origin; depth of body 5.8-8.0 in SL; anterior nostril tubular, dorsal to upper lip; gill membranes narrowly attached across isthmus (Ref. 90102). |
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 | 8 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 2notched No |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 1 - 1 |
Soft-rays total | 69 - 115 |
Adipose fin | absent |
Attributes |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 58 - 82 |
Pectoral | Attributes more or less normal |
Spines 1 | |
Soft-rays 9 - 13 | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines 0 | |
Soft-rays 12 - 12 |