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Gambusia holbrooki  Girard, 1859

Eastern mosquitofish
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Image of Gambusia holbrooki (Eastern mosquitofish)
Gambusia holbrooki
Female picture by Delgado Saez, J.A.

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (peixes com raios nas barbatanas) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Gambusia: Gambusia: From the Cuban term, Gambusino, which means "nothing", usually in the context of a joke or a farce. Fishing for gambusinos = when one catches nothing (Ref. 45335).   More on author: Girard.

Ambiente / Clima / Intervalo Ecologia

; Água doce; estuarina bentopelágico; pH range: 6.0 - 8.8; dH range: ? - 40; potamódromo (Ref. 51243).   Subtropical; 15°C - 35°C (Ref. 13371), preferred ?; 40°N - 31°N, 89°W - 74°W

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

North America: Atlantic and Gulf Slope drainages from New Jersey south to Alabama in USA (Ref. 5723). Introduced to many countries for mosquito control, but had rare to non-existing effects on mosquitoes, and negative to perhaps neutral impact on native fishes (Ref. 12217). Established throughout southern Europe; introduced worldwide in tropical and subtropical countries (Ref. 59043).

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 4.7 cm TL macho/indeterminado; (Ref. 59105); 8.0 cm TL (female)

Descrição breve Morfologia | Morfometria

Espinhos dorsais (total): 1; Raios dorsais moles (total): 7; Espinhos anais 1; Raios anais moles: 9

Biologia     Glossário (ex. epibenthic)

Adults occur in standing to slow-flowing water, mostly in vegetated ponds and lakes, backwaters and quiet pools of steams (Ref. 5723), typically seen shoaling at the edges (Ref. 44894). They also frequent brackish water (Ref. 5723). Adults feed on small terrestrial insects usually in the drift and amongst aquatic plants, actively selecting very small prey (Ref. 6154). Also observed to take in mosquito larvae (Ref. 41168). Introduced worldwide. Introductions to Europe have seriously threatened many endemic species (Ref. 59043). It is now widely accepted that their effect has been minimal and even may have exacerbated the problem due to their voracious appetite for natural invertebrate predators of mosquito larvae (Ref. 44894).

Life cycle and mating behavior Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Matures at 4-6 weeks; 3 generations can be produced in one year. Gestation lasts 3-4 weeks. Brood may reach up to 354 young, but is generally around 40-60 (Ref. 1672, 59043).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

Categoria na Lista Vermelha da IUCN (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Ameaça para o homem

  Potential pest (Ref. 12257)




Utilização humana

Aquário: Espécies comerciais
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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