Mexico country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the Yucatan and Oaxaca region in Mexico (Ref. 26282).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mx.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Burgess, W.E., 1989
National Database:

Common names from other countries

Juil descolorido, Silver catfish, Guatemalan chulín, ... more

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Heptapteridae (Three-barbeled catfishes)
Etymology: Rhamdia: Brazilian vernacular name, Nhamdia/Jamdia (Ref. 45335).
More on authors: Quoy & Gaimard.

Issue
Junior synonym Rhamdia wagneri (Günther, 1868) is considered as a synonym of Rhamdia guatemalensis (Günther, 1864) in Ref. 108688:575; 108948.

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

; Água doce bentopelágico; pH range: ? - 7.0; intervalo de profundidade 0 - 3 m (Ref. 35381). Tropical; 22°C - 28°C (Ref. 2060)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Central and South America: Mexico to central Argentina.

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 61.0 cm TL macho/indeterminado; (Ref. 40637); peso máx. Publicado: 4.0 kg (Ref. 40637)

Occurs in littoral creeks, over sandy bottoms covered with dead leaves (Ref. 27188). Inhabits also lakes and rivers, but seems to prefer rivers with a very slight current (Ref. 6868). Prefers a muddy bottom covered with leaves and decaying wood, the latter providing for hiding places during the day (Ref. 35381). Feeds on fish and insects (Ref. 27188), benthic zooplankton and crustaceans (Ref. 35381). Omnivorous (Ref. 79585). Mainly nocturnal (Ref. 11225). Possesses poisonous spiny rays. Its sex ratio is 2:1 in favor of females. The male's reproductive apparatus includes multi-lobed testicles and accessory organs for secretion and storage. Fertilization is external. Non-sticking demersal eggs (1.1 to 2.8 mm diameter) are laid down, hatching after about 48 hours at 22°C. Ten days later, the larvae weigh approximately 100 mg but growth is slow (0.5 to 1.15 g per day).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador : Bockmann, Flavio | Colaboradores

Hernández, C.L., A. Ortega-Lara, G.C. Sánchez-Garcés, M.H. Alford, 2015. Genetic and morphometric evidence for the recognition of several recently synonymized species of Trans-Andean Rhamdia (Pisces: Siluriformes: Heptapteridae). Copeia 103(3):563-579. (Ref. 108688)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Preocupação menor (LC) ; Date assessed: 19 March 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

Pescarias: pouco comercial; Aquacultura: espécies comerciais

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00891 (0.00753 - 0.01055), b=3.02 (2.97 - 3.07), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Nível Trófico (Ref. 69278): 3.9 ±0.3 se; based on diet studies.

Resiliência (Ref. 120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Fec=41,334).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (44 of 100).

Categoria de preço (Ref. 80766): Unknown.

Rhamdia quelen (Quoy & Gaimard, 1824)