| Doradidae (Thorny catfishes) |
| 7.98 cm SL (male/unsexed) |
|
demersal |
| South America: middle to lower Río Apure of the Orinoco basin in Venezuela. |
|
Dorsal spines (total): 1-1; Dorsal soft rays (total): 6-6; Vertebrae: 41-41. Differs from Rhynchodoras xingui by having the following characters: all three tympanal scutes weakly developed (vs. second and particularly third well developed, latter with medial carina); midlateral scutes 34-36 (vs. 33 -34); and anterior midlateral scutes relatively shallow,
depth about one-fifth of corresponding body depth, and with dorsal and ventral laminae weakly developed, lacking distinct serrations along posterior margins (vs. depth about one-third to one-quarter of corresponding body depth, and dorsal and ventral laminae well developed with conspicuously serrated posterior margins). Diagnosed from Rhynchodoras woodsi by having a simple swim bladder (vs. each posterior chamber of
gas bladder expanded into elongate horn-like diverticulum), and tubercles punctate and abundant (vs. tubercles elongate, dashlike, and sparse) (Ref. 72419).
Description: A iii-iv,8-9; V i+6 (Ref. 72419). |
| Reported to feed on Trichoptera (Ref. 72419). |
|
Not Evaluated
(Ref. 96402)
|
| harmless |
|
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