Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Loricariidae
(Armored catfishes) > Hypoptopomatinae
Etymology: Otothyris: Greek, ous, otis = ear + Greek, thyra, -as/thyris, -idos = a little door (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Temperate
South America: Atlantic coast of Santa Catarina and Rio Grande do Sul, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL male/unsexed; (Ref. 28152)
Morphology | Morphometrics
soft rays: 6. With 17-20 premaxillary and 14-16 dentary teeth on each jaw element; presence of 2 or more series of ventrally downturned odontodes on anteroventral rostral margin; head and snout deeply sculptured; 3 large and conspicuous odontode crests on supraoccipital: median crest with 3-4 series, lateral crests with 2 series of large odontodes; fourth infraorbital very large and broadly convex, presence of pair of preanal platelets preceded by 2 or more platelets.
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. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00221 - 0.01307), b=3.11 (2.90 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.4 ±0.1 se; Based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .