Gambusia affinis (Texas Gambusia)

Adult size6 cm
Temperature19 - 28 °C
pH6.8 - 8
Minimum aquarium capacity (in liters)30 L

Description

This fish has a sole, round and silver belly, gray/dark green back.

The Gambusia Affinis fish, also known as mosquito-tuer or guy fish, is a freshwater fish from the poeciliidae family. It is from the United States and has been introduced into many places around the world to control mosquito populations.

The Affinis Gambusia has an elongated and slender shape, with a Caudal Bifide fin which gives it an appearance of a mermaid tail. Its color varies from green to dark gray, with black spots dispersed on the body. Males often have more bright colors than females.

This fish is a voracious predator, mainly feeding on mosquitoes and other small insects. It is known to be particularly aggressive towards other fish, and can be very territorial. The Gambusia Affinis is also able to reproduce very quickly, which can cause problems in ecosystems where it is introduced.

Affini Gambusia can be found in shallow and stagnant waters, such as marshes, ponds and ponds. It needs a hot water temperature to reproduce, and can survive under low rate of dissolved.

Due to its ability to control mosquito populations, Gambusia Affinis has been introduced into many places around the world. However, it can also cause problems in ecosystems where it is introduced due to its tendency to become invasive and to harm other species of fish. Therefore, it is important to monitor and control the populations of Gambusia Affinis in the areas where it is present.

Origin

Characteristics

  • Adult size6 cm
  • BehaviourGregarious
  • FoodOmnivorous

Water parameters

  • Water typeFreshwater, hot
  • Temperature19 - 28 °C
  • pH6.8 - 8
  • Minimum aquarium capacity (in liters)30 L

Dimorphism

The male is smaller than the female and he has a gonopod which he often holds vertically to impress his female.

Reproduction

A pH is needed around 7 and a temperature of 24 ° C and a lot of plants, maybe it will give birth to 30 fry.

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