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> Siluriformes (Catfishes) > Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Hypoptopoma: Greek, hypo = under + Greek, optoma, opsomai = to look at, to watch + Greek, poma = cover, operculum (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch. Tropical

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South America: across the central and lower Rio Amazonas basin; including Rio Tocantins basin. It is the only species known for northeastern coastal rivers.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 10.8 cm SL Männchen/unbestimmt; (Ref. 111115); max. veröff. Gewicht: 26.66 g (Ref. 111115)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Wirbelzahl: 26. This species is distinguished from its congeners except H. elongatum, by the presence of a patch of odontodes on the anterolateral surface of the cleithrum at the opening to the branchial chamber. It is distinguished from H. elongatum by having a shorter caudal peduncle, with caudal-peduncle length 26.0-36.0 (32.0) (vs. 32.3-36.3 (34.4); t-test, p < 0.001); with a deeper, more robust caudal peduncle, caudal-peduncle depth 8.8-11.0 (10.1) (vs. 7.9-8.8 (8.4); t-test, p < 0.001); by the round to slightly acute snout (vs. snout appearing pointed due to slight lateral inflexion between rostral plate and first infraorbital); by fewer plates along medial series 21-22 (22) (vs. 23); and by having light brown caudal-fin lobes (vs. dark lobes) (Ref. 84367).

Facultative air-breathing in the genus (Ref. 126274)

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Aquino, A.E. and S.A. Schaefer, 2010. Systematics of the genus Hypoptopoma Günther, 1868 (Siluriformes, Loricariidae). Bull. Amer. Mus. Nat. Hist. 336:1-110. (Ref. 84367)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

nicht bedroht (LC) ; Date assessed: 09 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00912 (0.00463 - 0.01795), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Hypoptopoma incognitum Aquino & Schaefer, 2010