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> Siluriformes (Catfishes) > Callichthyidae (Callichthyid armored catfishes) > Callichthyinae
Etymology: Hoplosternum: Greek, hoplon = weapon + Greek, sternon = chest (Ref. 45335).

Issue
See Reis (1997) for phylogeny and Reis (1998) for detailed description.

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

; zoet water demersaal; diepte 1 - ? m (Ref. 11225). Subtropical; 18°C - 26°C (Ref. 2060); 11°N - 37°S

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South America: Most Cis-Andean South American river drainages north of Buenos Aires, Argentina (Ref. 37395). Introduced in the USA (Ref. 104645).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 16.7 range ? - ? cm
Max length : 26.3 cm TL mannelijk / geslacht onbekend; (Ref. 104645); max. gerapporteerde leeftijd: 4 Jaren (Ref. 51639)

Obligate air-breathing (Ref. 126274); Inhabits swamps (Ref. 11225). During the rainy season, adults consume a great quantity of chironomids associated with detritus. During the dry season, they feed mostly on terrestrial insects, micro-crustaceans, aquatic Diptera, and detritus. Absorbs a great quantity of anaerobic bacteria from the substrate (Ref. 27188). First reproduction occurs after one year (Ref. 35381). Used to be cultured commercially in Guyana (Ref. 7306). Cultured in Trinidad on a semi-commercial scale (Ref. 11225).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Reproduction begins with the rainy season (December-January). The male, at times helped by the female, builds a nest made of a cluster of mucus bubbles and vegetal matter. Responding to a nuptial parade, the female lays down her eggs (5,000 to 20,000, measuring1.8 mm in diameter) which are fertilized by sprinkling sperm previously collected in her mouth. The male guards the eggs during incubation and becomes very aggressive (Ref. 35381).

Hoofdreferentie Upload your references | Referenties | Coördinator : Reis, Roberto E. | Medewerkers

Reis, R.E., 1997. Revision of the neotropical catfish genus Hoplosternum (Ostariophysi: Siluriformes: Callichthyidae), with the description of two new genera and three new species. Ichthyol. Explor. Freshwat. 7(3-4):299-326. (Ref. 26144)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 15 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel; Aquacultuur: commercieel; Aquarium: Commercieel

FAO - Aquaculture systems: productie; ; Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01950 (0.01418 - 0.02681), b=3.00 (2.91 - 3.09), in cm total length, based on LWR estimates for this species (Ref. 93245).

Trofisch niveau (Ref. 69278): 2.7 ±0.0 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tmax=4; K=0.6-1.3; Fec = 5,000).

Fishing Vulnerability (Ref. 59153): Low vulnerability (16 of 100).

Prijsklasse (Ref. 80766): Unknown.

Hoplosternum littorale (Hancock, 1828)