Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in the north-eastern portions of the Amazon basin in the Rio Mucajaí at Cachoeira Paredão 2 and the Rio Uraricoera at Ilha de Maracá, both in Roraima (Ref. 93148).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Vari, R.P., C.D. de Santana and W.B. Wosiacki, 2012
National Database:

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Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Gymnotiformes (Knifefishes) > Sternopygidae (Glass knifefishes)
Etymology: Archolaemus: Greek, archo = anus + Greek, laimos = throat (Ref. 45335); ferreirai: Named for Efrem Ferreira of the Instituto Nacional de Pesquisas da Amazônia, one of the collectors of the type series, in recognition of his many contributions to the understanding of the Amazonian fish fauna..

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

; zoet water benthopelagisch. Tropical

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South America: Rio Mucajaí and Rio Uraricoera in the north-eastern portions of the Amazon basin, Brazil.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 34.2 cm TL mannelijk / geslacht onbekend; (Ref. 93148)

Korte beschrijving Morfologie | Morfometrie

Anale zachte stralen: 190 - 222. Distinguished from other congeners by having the following combinations of characters: length of the gape with the rictus falling short of the vertical through the posterior naris; the length of the coronomeckelian bone 50% or more the length of Meckel’s cartilage; the length of the posterior ceratohyal approximately the same length as the ventral hypohyal; 10-14 scales above the lateral line at the midbody; the form of the premaxilla with the anteroposterior length greater than the transverse width; the distribution of the teeth on the dentary restricted to anterior one-half or slightly more of the dorsal margin; five or six teeth arranged in single row on the internal surface of the endopterygoid; presence of a narrow dark stripe along the lateral line and a broad band of dusky to dark pigmentation overlying the basal pterygiophores of the anal fin; 18-21 pectoral-fin rays; 190-222 anal-fin rays (Ref. 93148).

The type locality, Rio Mucajaí, is characterized by rapid flowing water and a 20 m high waterfall. The species was encountered above these falls in an area with many rapids and no still backwaters (Ref. 93148).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Albert, James S. | Medewerkers

Vari, R.P., C.D. de Santana and W.B. Wosiacki, 2012. South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148)

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

Niet bedreigd (LC) ; Date assessed: 07 November 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

FAO(Publication : search) | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00363 (0.00172 - 0.00768), b=2.97 (2.78 - 3.16), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (24 of 100).

Archolaemus ferreirai Vari, de, Santana & Wosiacki, 2012