Teleostei (teleosts) >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Otothyris: Greek, ous, otis = ear + Greek, thyra, -as/thyris, -idos = a little door (Ref. 45335).
Eponymy: Dr Haroldo Pereira Travassos (1922–1977) was an ichthyologist, a zoologist and a physician at the National Museum of Brazil (1942–1977), becoming Titular Professor of the Federal University of Rio de Janeiro (1969). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Atlantic coast of southeastern Brazil.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 3.2 cm SL male/unsexed; (Ref. 28152)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 8; Anal soft rays: 6. With 16-21 premaxillary and 13-18 dentary teeth on each jaw element; 2 or more series of ventrally downturned odontodes on anteroventral rostral margin; supraoccipital odontode crests short, low, orbit small, diameter less than infraorbital depth; abdomen with 2-3 paired lateral plates; pair of preanal platelets preceded by 2 or more additional platelets, with small naked areas between platelets; unbranched caudal-fin rays banded; large brown blotch on median caudal-fin rays, two dark brown oblique bars on caudal fin.
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Garavello, J.C., H.A. Britski and S.A. Schaefer, 1998. Systematics of the genus Otothyris Myers 1927, with comments on geographic distribution (Siluriformes: Loricariidae: Hypoptopomatinae). Am. Mus. Novit. 3222:1-19. (Ref. 28152)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
