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Diapoma thauma Menezes & Weitzman, 2011 |
| Family: | Stevardiidae (Stevardiids), subfamily: Diapominae | |||
| Max. size: | 4.5 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: tributaries of the rio Jacuí basin in Rio Grande do Sul, Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 10-10. Readily distinguished from most similar congener Diapoma terofali by having 15-18 gill rakers on the lower limb of first gill arch (vs. 11-13) and 26-33 anal-fin rays (vs. 24-27) (Ref. 86734). Description: Dorsal-fin rays ii, 8; anal-fin rays iv-v, 24-27; pectoral-fin rays i, 9-11; pelvic-fin rays i, 6. Total number of gill rakers on first gill arch 16-19, (Ref. 86734). | |||
| Biology: | ||||
| IUCN Red List Status: | Near Threatened (NT); Date assessed: 07 November 2018 (B1b(iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||