Western Mosquitofish - Gambusia affinis Gambusia affinis
Western Mosquitofish


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Western Mosquitofish - Gambusia affinis

Species name: Gambusia affinis


Common Names: Western Mosquitofish

Family: Poeciliidae (Poeciliids)

Order: Cyprinodontiformes (rivulines, killifishes and live bearers)

Class: Actinopterygii (ray-finned fishes)

Max. size: 7 cm / 2.5 inches

Environment: freshwater; brackish waters

Origin: North and Central America. Mississippi River basin from central Indiana and Illinois in USA south to Gulf of Mexico and Gulf Slope drainages west to Mexico.

Temperament: non aggressive.

Company: Can be kept with other small non aggressive species.

Water parameters: pH 6.0-8.0, temperature 18-24°C / 65 - 75° F

Aquarium setup: Best kept in planted tanks with enough free space too swim on. Provide hiding places for pregnant females to give birth and for the fry to hide.

Feeding: Accepts all kinds of food. Provide carnivorous food sources to the diet such as Mosquito larvae.

Breeding: Livebearer. Females give birth to fry after about four weeks gestation. Up to 60 fry in every bach. For more productive breeding isolate pregnant females and return them once fry is born since parents will eat their fry.

Western Mosquitofish - Gambusia affinis picture
Picture of Western Mosquitofish - Gambusia affinis. Copyright www.jjphoto.dk

Gambusia affinis - Western Mosquitofish
Western Mosquitofish - Gambusia affinis. Copyright www.jjphoto.dk

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Other Livebearer Profiles:

Guppy - Poecilia reticulata
Swordtail - Xiphophorus helleri
Halfbeak - Dermogenys pusillus
Platy - Xiphophorus Maculatus
Sailfin Molly - Poecilia latipinna
Xiphophorus bimaculatus
Catemaco livebearer - Xiphophorus milleri
Celebes Halfbeak - Nomorhamphus liemi
Comma Swordtail - Xiphophorus signum
Cortes Swordtail - Xiphophorus cortezi
Dwarf livebearer - Heterandria formosa
El Qince Swordtail - Xiphophorus continens
Xiphophorus gillii
Xiphophorus gracilis
Highland platy - Xiphophorus evelynae
Highland Swordtail - Xiphophorus malinche
Xiphophorus mayae
Monterrey Platy - Xiphophorus couchianus
Montezuma Swordtail - Xiphophorus montezumae
Xiphophorus monticolus
Northern Mountain Swordtail - Xiphophorus nezahualcoyotl
Xiphophorus multilineatus
Muzquiz Platy - Xiphophorus meyeri
Northern Platy - Xiphophorus gordoni
Al Abra Pygme Swordtail - Xiphophorus nigrensis
Slender Pygme Swordtail - Xiphophorus pygmaeus
Rio Aloyac Platy - Xiphophorus andersi
Rosens Hybrid platy - Xiphophorus roseni
Sheepshead Swordtail - Xiphophorus birchmanni
Speckled Platy - Xiphophorus kosszanderi
Spike Tail Platy - Xiphophorus xiphidium
Uplands Swordtail - Xiphophorus alvarezi
Yellow Swordtail - Xiphophorus clemenciae

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Western Mosquitofish - Gambusia affinis