Platy Fish Facts:

Scientific Name : Xiphophorous maculatus
average adult size:2.8 inches long
average life span:3 years
diet:omnivore - flakes/pellets
minimum aquarium size:10+ gallons
water parameters:


pH: 5-8


A well-balanced Platy diet consists of:

  • Food may be flaked, pellet, frozen or live.
  • Avoid exclusive food which is not nutritionally complete.


Things to remember when feeding your Platy:

  • Feed small amounts 1-3 times daily, no more than fish will eat in 3-5 minutes.
  • Thaw frozen foods if you choose to feed frozen.


  • Keep in an appropriate size aquarium; provide plants for hiding, various species may prefer sparse or thick vegetation.
  • Stable water quality, water temperature, and pH levels are critical to the health of the aquatic life. If you are unsure of your water quality or pH levels, Home Aquatics offers water testing.


  • The female is larger when fully grown and generally rather plain, though in many of the fancy Platies today, they have more color
  • It is difficult to sex Platies until they are mature as the male does not attain his coloration until then
  • As they mature, the males develop a modification of the anal fin into a rod shape, called a gonopodium, which is used in the reproductive process.

Habitat Maintenance

Daily: Check filter, water temperature and other equipment.
Weekly: Check water quality at least once a week.
Monthly: Change 10-25% of the total volume of water every 2-4 weeks, or as needed.
Introduce new inhabitants to the aquarium gradually.


Tetras are compatible with most peaceful species of fish.


Signs of a Healthy Fish

  • Clear eyes
  • Healthy appetite
  • Bright, even coloring
  • Clean in appearance

Avoid overcrowded conditions; they are a major cause of stress and disease. Maintain good water quality with regular water changes and adequate filtration.

Red Flags

  • loss of color or appetite
  • spots or fungus on body or mouth
  • erratic swimming
  • frayed fins

Common Health Issues

Health IssueSymptoms or CausesSuggested Action
Fin rotFrayed or disintegrating fins; the base of the fins usually reddens.Improve water quality; consult your aquatic veterinarian for treatment.
IchWhite spots appear on fins and body; fish rubs against hard objects or swims awkwardly.

Quarantine fish immediately; use a commercial ich remedy for at least two weeks

The Platy is an excellent community fish that is very peaceful but active. It does not look for trouble with other tankmates and enjoys swimming in loosely grouped schools. The males will occasionally squabble amongst themselves but generally without any damage done.

These fish are considered omnivorous, but the Platies have a very high herbivorous requirement, and their diet needs to include lots of algae and other vegetation. In the wild, their diet consists of worms, crustaceans, insects, and some plant matter. In the aquarium, they will gladly eat most commercially-prepared fish foods as well as supplementary live and vegetable-based food. Feed brine shrimp (either live or frozen), tubifex, or blood worms as a treat. They will enjoy the proteins, but they must also have plenty of vegetation in their diet.

The Platy seems to have little preference in what it eats, although a good, varied diet is essential to the health and long life of most aquarium fish, including this one. A vitamin-rich diet encourages the best coloration. Platies will occasionally consume algae within the aquarium. This fish is not a picky eater but should be fed a varied diet several times daily in small amounts.

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Assorted Platy Fish

  • Brand: Home Aquatics
  • Product Code: Assorted Platy Fish
  • Availability: 2-3 Days
  • $2.99