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Otothyropsis polyodon Calegari, Lehmann A. & Reis, 2013 |
| Family: | Loricariidae (Armored catfishes), subfamily: Hypoptopomatinae | |||
| Max. size: | 3.73 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | South America: tributaries to the rio Verde, a tributary to the upper rio Paraná basin in Mato Grosso do Sul, Brazil. | |||
| Diagnosis: | Dorsal spines (total): 2-2; Dorsal soft rays (total): 7-8; Anal spines: 1-1; Anal soft rays: 5-5; Vertebrae: 29-29. Distinguished from all congeners by having the following characters: 19-31 premaxillary teeth (vs. 10-20); 18-27 dentary teeth (vs. 11-19); caudal peduncle depth 6.2-7.6% (vs. 7.6-11.5% SL); dorsal-fin spinelet rectangular in shape (vs. triangular or quadrangular); suture in the posteromesial portion of the paired basipterygium long- same size of the basipterygium medial cartilage (vs. suture smaller-one to two third of the basipterygium medial cartilage) (Ref. 93039). Description: pectoral-fin spine with odontodes (Ref. 93039). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 18 May 2022 Ref. (130435) | |||
| Threat to humans: | harmless | |||