Found in the in the sand of
shallow rivers and creeks; parasitic, entering gill
chambers of larger catfishes; also known for entering,
probably by mistake, the urethra of mammals urinating
under water. Aquarium Care: Seldem
kept in the aquarium due to their plain appearance
and there preference to hide. Needs a substrate of
fine gravel or mulm. Diet: Daphnia
and mosquito larvae. Etymology: Greek,
tres tria = three + Latin, dens = teeth. –opsis,
appearance, referring to similarity to the closely
related Tridens. The specific name of brevis:
short, referring to short and deep body, shorter than
Tridens melanops, its presumed congener at
the time. Remarks:
Formerly Tridensisilis brevis but in the
paper by Datovo A., et al. 2023 they examined specimens
collected near the type-locality of T. brevis
(ZUEC 15118) that fitted the diagnostic characters
originally reported for the species. These specimens
clearly belong to Tridentopsis. Therefore,
all evidence indicate that T. brevis is a
Tridentopsis and, consequently, Tridensimilis
is a monotypic genus containing only T. venezuelae
A., et al 2023).
South America:Brazil: Amazon River basin. Type
locality: Tabatinga (Brazil).
Datovo A, Ochoa L,
Vita L, Presti P, Ohara WM, de Pinna MCC.
A new genus and species of miniature tridentine catfish
from the Amazon basin (Siluriformes: Trichomycteridae).
Neotrop Ichthyol. 2023; 21(3). Ferraris, C.J. Jr., 2007. Checklist
of catfishes, recent and fossil (Osteichthyes: Siluriformes),
and catalogue of siluriform primary types. Zootaxa
in the News Riehl, R. and H.A. Baensch
Atlas, Band 1.10th edition. Mergus Verlag GmBH, Melle,
Germany. 992 p.