Neoplecostomus Watersi (Neoplecostomus watersi), first described by Silva, Reia, Zawadzki & Roxo, 2019 is a small fish in the family Loricariidae (order Siluriformes). Adults typically reach 7.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. On the IUCN Red List, it is classified as Critically Endangered.
Dorsal soft rays (total): 7; Anal soft rays: 5. This species is distinguished from its congeners by the following characters: absence of an adipose fin or azygous plates at the typical adipose-fin location (vs. reduced adipose fin or azygous plates in N. botucatu, N. paranensis nd a fully-developed adipose fin in all other species); differs from N. botucatu, N. paranensis by having a dark caudal fin with a unique v-shaped hyaline vertical area (vs. dark caudal fin with several irregular hyaline vertical bands) and having lower lip reaching or almost reaching branquial apertures transversal line (vs. far from reaching branquial apertures transversal line) .Cross section: angular.
Behavioural data for Neoplecostomus Watersi is currently being reviewed.
Freshwater; demersal. Tropical South America: Brazil.
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