| Hypopomidae (Bluntnose knifefishes) |
| 21.7 cm TL (male/unsexed) |
|
benthopelagic; freshwater |
| South America: endemic to the upper Mazaruni River in Guyana. |
|
Anal soft rays: 173-199. Can be diagnosed by the following characters: coracoid with a foramen; opercle with concave posterior margin; one ossified basibranchial; absence of postpectoral or humeral accessory electric organs; 14 total pectoral-fin rays (ii-iii) (shared with ranges of some Brachyhypopomus species0; 173-199 anal-fin rays (shared with ranges of few species of Brachyhypopomus and Microsternarchus); snout length 24.7-32.6% HL; five pectoral radials, in some individuals four partially fused to five (shared with Hypopomus species); mesopterygoid with short or reduced ascending process (shared with Microsternarchus species); mesocoracoid bridge absent (shared with most species of Brachyhypopomus, Microsternarchus and Racenisia); and 17 precaudal vertebrae (shared with some Brachyhypopomus species) (Ref. 94087). |
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Endangered (EN); Date assessed: 14 December 2022 (B1ab(iii)+2ab(iii)) Ref. (130435)
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| harmless |
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