Trichomycterus striatus (Meek & Hildebrand, 1913) .

Middle American Pencil Catfish; Barbudo, Barbudito, Laucha, Babosa, Pez Gato Lápiz.

Distribution: Global: Middle America; from southern Costa Rica to eastern Panama, Atlantic and Pacific drainages; Costa Rica: Tr and Co (Pacific), 20– 660 m.a.s.l., Pri, Pot.

Occurrence and conservation status: Nat, LC.

References: Bussing (1966: 210, as Pygidium septentrionale (Behre 1928) and Pygidium striatum — synonyms; brief description and information on distribution), Bussing (1987: 110; 1998: 159; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology), Angulo et al. (2013: 993; listed, including taxonomic information and distributional data) and Angulo et al. (2018b: 530; detailed description, including illustrations, information on distribution, with a map, and ecology).