Microglanis nigrolineatus Terán, Jarduli, Alonso, Mirande & Shibatta, 2016

Family:  Pseudopimelodidae (Bumblebee catfishes, dwarf marbled catfishes)
Max. size:  4.36 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Argentina.
Diagnosis:  It is distinguished by a thin dark stripe along the middle of the trunk from dorsal-fin origin to end of adipose fin, the absence of a pale area in the nuchal region, and having short serrae on anterior margin of pectoral-fin spine.
Biology:  It is found in river basins with slow water flow and muddy sandy bottoms. The largest speciment observed was 4.4 cm, standard length, in Argentina. Maximum depth was approximately 0.4 m at the type locality.
IUCN Red List Status: Vulnerable (VU); Date assessed: 16 December 2020 (B1ab(iii); D2) Ref. (130435)
Threat to humans:  harmless


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