Tatia neivai (Ihering, 1930)
Tatia neivai
photo by Manzotti, A.R.

 Family:  Auchenipteridae (Driftwood catfishes), subfamily: Centromochlinae
 Max. size:  8.21 cm SL (male/unsexed)
 Environment:  benthopelagic
 Distribution:  South America: upper Paraguay river in Brazil, upper Paraná river and upper Paraíba do Sul river. Several tributaries of the upper Paraná river, Brazil. A single record from the São Francisco river is uncertain.
 Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 4-5; Anal soft rays: 9-10; Vertebrae: 31-33. Differs from all congeners by its unique color pattern with scattered small white spots over the sides of the body and caudal fin with dark vertical bars. Can be further distinguished by the following combination of characters : third nuchal plate broad, with short lateral projection, post-Weberian vertebrae alternatingly ribbed and unribbed; caudal-fin lobes of equal length in mature females, upper lobe more elongated in mature males; and 31-33 post-Weberian vertebrae (Ref. 79512). Description: A iii,6-7; V i+5 (Ref. 79512).
 Biology:  Found in semi-lotic environments. Some individuals were observed hidden within marginal vegetation or found inside crevices of submersed trunks. Reaches sexual maturity above 4.81 cm SL (Ref. 79512).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   

 Entered by: Torres, Armi G. - 10.12.99
 Modified by: Torres, Armi G. - 10.12.08

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