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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.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > 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.

Lebensraum / Klimazone / Range Ökologie

; süßwasser; brackwasser benthopelagisch; pH range: 6.0 - 8.8; dH range: ? - 40; potamodrom (Ref. 51243).   Subtropical; 15°C - 35°C (Ref. 13371), preferred ?; 40°N - 31°N, 89°W - 74°W

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | 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).

Size / Gewicht / Alter

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

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 1; Rückenflossenweichstrahlen (insgesamt): 7; Afterflossenstacheln 1; Afterflossenweichstrahlen: 9

Biologie     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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)

IUCN Rote Liste Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Bedrohung für Menschen

  Potential pest (Ref. 12257)




Nutzung durch Menschen

Aquarium: Kommerziell
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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