Variety of Southern platy

Mickey Mouse platy

Xiphophorus maculatus

One of 4 varieties of Xiphophorus maculatus · See all varieties →

Also known as White Mickey Mouse Platy, Sunburst Mickey Mouse Platy, Gold Mickey Mouse Platy, Blue Mickey Mouse Platy

FreshwaterFish

Mickey Mouse platy (Xiphophorus maculatus)

Varieties · Xiphophorus maculatus

See all 4 →

Care at a glance

Temperature
68–79°F
20–26°C
pH
6.8–8.0
Adult size
2.8 in
7 cm
Minimum tank
10 gal
38 L
Temperament
Peaceful
Difficulty
Beginner
Breeding
Livebearer · Easy
Rarity
Very common
Family
Poeciliidae

Overview

The Mickey Mouse platy is named for a mark, not a color, so shops sell it on gold, white, blue and sunburst bodies. Mixed tanks often ship as Assorted Mickey Mouse, so you pick the pattern and the supplier picks the color. It is a peaceful, beginner-friendly fish for a community tank.

Did you know

The species behind the Mickey Mouse platy answers to an older common name, the moonfish. Xiphophorus genetics kept that vocabulary for the tail base markings, and the Mickey Mouse platy is the moon complete form. It was selected until the crescent and its two small spots turn up together every time.

Caring for the Mickey Mouse platy

Mickey Mouse platies do well in a small group, in a tank of at least 10 gal (38 L). Give them a planted tank with some open water to swim in. They keep mostly to the middle of the tank.

They are hardy, forgiving fish. Aim for neutral to slightly alkaline water at 68 to 79°F (20 to 26°C) and a pH of 6.8 to 8.0. They tolerate harder water well. Feed flakes with some algae or vegetable content, and vary the diet with occasional frozen treats.

Mickey Mouse platies are peaceful and mix easily with other calm community fish. Keep more females than males to ease the pressure on the females.

Females grow a bit larger than males. Mickey Mouse platies bear live young and breed readily. A female can store sperm and produce several broods from a single mating.

Good to know

Grading a Mickey Mouse platy comes down to the three spots. A clean round pair over a solid third mark reads as the pattern, and smudged spots are common in bulk stock. The marking sits on the caudal peduncle, the narrow stalk in front of the tail. Its dark, melanin-based marks travel independently of body color, so the same pattern rides on several body colors. The caudal spot patterns are inherited as autosomal traits, so fry from a mixed pairing often split into marked and unmarked siblings.

In the wild

The Mickey Mouse marking was fixed by breeders on domesticated platy stock, and no named originator is on record. The pattern element itself is not an invention. Wild southern platies are polymorphic for these marks, which run from crescent, moon and moon complete to comet, one spot and twin spot. Some wild fish carry no spot at all. Trade platies carry blood from more than one Xiphophorus species, so the fish under the mark is a hybrid.

Weekly picks

Tank mates

The Mickey Mouse platy is a peaceful, social species that keeps to the middle. These picks share a community profile with it, are safe together in both directions, and overlap on water type, temperature and pH.

Check the full mix in the stocking calculator

Common questions

Is a Mickey Mouse platy a different species from the southern platy?

No. A Mickey Mouse platy is a variety of the southern platy, Xiphophorus maculatus, and it wants the same tank, water and food as the species.

What size tank does a Mickey Mouse platy need?

A Mickey Mouse platy needs at least 10 gal (38 L). It spends most of its time in the middle.

What does a Mickey Mouse platy eat?

A Mickey Mouse platy eats flakes with some algae or vegetable content. Vary its diet with occasional frozen treats.

How big does a Mickey Mouse platy get?

An adult Mickey Mouse platy reaches about 2.8 in (7 cm).

How can you tell a male Mickey Mouse platy from a female?

Males are a bit smaller than females.

How does a Mickey Mouse platy breed?

A Mickey Mouse platy bears live young and breeds readily. A female can store sperm and produce several broods from a single mating.

Related species