Ancistrus ranunculus Muller, Rapp Py-Daniel & Zuanon, 1994
Ancistrus ranunculus
photo by Jinkings, K.

Family:  Loricariidae (Armored catfishes), subfamily: Hypostominae
Max. size:  19.5 cm TL (male/unsexed); max.weight: 153.7 g
Environment:  demersal; freshwater
Distribution:  South America: Xingu and Tocantins River basins in Brazil.
Diagnosis:   
Biology:  Inhabits clear running water, without a strong current to a depth of 3 meters during dry season. Prefers narrow cracks of submerged rocks, small passages between superimposed rocks, or lives below flat rocks on the bottom.
IUCN Red List Status: Near Threatened (NT); Date assessed: 07 November 2018 (A3c) Ref. (130435)
Threat to humans:  harmless


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