The Best Algae Eating Fish for Aquarium: Green Swordtail
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The Best Algae Eating Fish for Aquarium: Green Swordtail

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The Best Algae Eating Fish for Aquarium: Green Swordtail The Swordtail Xiphophorus hellerii is the best algae eaters fish  in the aquarium. It is quite sturdy and among the prettiest aquarium fish. In the wild, it is an olive green body with yellow and red along the sides and at times brilliant speckles on its fins.

With this particular coloration, it is known as the Red Swordtail or the Green Swordtail. Nevertheless, to the beautiful colors making it so highly prized now, it has been bred in captivity.

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The Swordtail is freshwater algae eaters exceptionally hardy fish that will adjust to an extensive variety of water conditions. They are livebearers which ensure the infant fish come free swimming out. Please have a look at the breeding livebearers page to find out more if you are considering breeding them.

The Best Algae Eating Fish for Aquarium: Green Swordtail 2
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The Best Algae Eating Fish for Aquarium: Green Swordtail

This anal fin that is specialised grows as the male fish grows. The central rays of the anal fin are changing into a small copulatory organ.


This diet ought to replicate as actively as possible in the home aquarium and will achieve through supplying some foods. The maximum percentage in their food must contain a higher quality flake food. Also, it will be nutritional supplements with live or frozen foods, algae wafers like Hikari and blanched vegetables.

Other algae eaters tropical you can read here.

Habitat: Supply

Heckel described the Green Swordtail Xiphophorus hellerii in 1848. They become established in and have been introduced to, several states in southern Africa and along the eastern shore of Australia.

Swordtail Nature / Behavior

The swordtail is a little fish that is tough. When there are larger fish in the tank, they can care for themselves. The males might become aggressive.


The male is also more slender and has a “sword” formed anal fin called a gonopodium. There’s an occasional tendency to get a female Swordtail to alter sex and develop a “sword” on her tail, especially when old or changed by parasites. Though many the time they may be infertile she could even try courtship with a different female.

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Selection of décor is not particularly crucial though it will look best in a heavily-put setup using a substrate that is dark. Wild types also need to satisfy an aquarium ordered to resemble a running stream with water-worn rocks and little boulders.

The inclusion of driftwood roots or branches as well as some floating plants to diffuse the light going into the tank adds a more natural feel and also looks valued. Though it can appear to value an amount of water movement filtration will not have to be especially potent.


Swordtails will usually breed with no intervention from their owners by themselves.

Behavior and Compatibility

In confined spaces, groups might invest a major percentage of time keeping their individual locations and of males have a tendency to form dominance hierarchies.

Such information about The Best Algae Eating Fish for Aquarium: Green Swordtail. Hopefully, this information can be especially useful for you in terms of overcoming the algae in the aquarium.

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Jujun Junaedi is one of the creators of Aquascaper. He is an enthusiast of aquascaping. He shared what he knew and still learn to share all interesting information about aquascaping.