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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Otothyris: Greek, ous, otis = ear + Greek, thyra, -as/thyris, -idos = a little door (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Temperate
South America: Atlantic coast of Santa Catarina and Rio Grande do Sul, Brazil.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.1 cm SL hane/ej könsbestämd; (Ref. 28152)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 8; Mjukstrålar i analfenan: 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.
Body shape (shape guide): elongated.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00434 - 0.02202), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.4 ±0.1 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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