Product Details

Blue Spotted Redtail Platy – Xiphophorus maculatus

The Blue Spotted Redtail Platy is a colourful captive-bred livebearer strain selected for blue body tones, spotted markings and a contrasting red tail. Also sold as a Blue Redtail Platy, Spotted Platy, Blue Spotted Platy or Fancy Platy, this peaceful and active fish is ideal for planted community aquariums with stable, mineral-rich water and calm tank mates. It is hardy when kept correctly, easy to feed and suitable for many aquarists, but it should not be kept in very soft acidic conditions.

Key Identification:

Common Name: Blue Spotted Redtail Platy
Other Names: Blue Redtail Platy, Blue Spotted Platy, Spotted Platy, Fancy Platy
Scientific Name: Xiphophorus maculatus
Strain / Form: Captive-bred Blue Spotted Redtail ornamental strain
Fish Type: Livebearer / Platy
Water Type: Freshwater

Natural Range & Habitat:

Xiphophorus maculatus is native to North and Central America, where wild platies occur in warm springs, canals, ditches, creeks, swamps and slow-moving vegetated waters. These habitats often contain plant cover, silt or soft margins, gentle flow and plenty of small foods.

The Blue Spotted Redtail Platy is a captive-bred ornamental form, so its blue colour, spotting and red tail have been developed through selective breeding. Its care should still be based on the needs of healthy platies: clean stable water, plant cover, gentle to moderate flow and mineral-rich conditions.

Appearance & Adult Size:

Blue Spotted Redtail Platies usually show a blue, steel-blue, grey-blue or pale bluish body with darker spots, speckling or marbled markings. The tail is typically red, orange-red or scarlet, giving strong contrast against the cooler body colour.

Males are usually smaller and slimmer, with a modified anal fin called a gonopodium. Females are larger, deeper-bodied and fuller when mature. Adults usually reach around 4–6 cm, with females normally larger than males.

Aquarium Suitability:

This strain is well suited to planted community aquariums, livebearer displays and peaceful tropical setups. It appreciates stable water, open swimming space, plant cover and regular feeding.

Blue Spotted Redtail Platies are not ideal for very soft acidic aquariums or aggressive communities. They do best in harder, more alkaline water and should be kept with tank mates that enjoy similar conditions.

Recommended Aquarium Size:

A practical minimum is 60 litres for a small group, with 80 litres or more preferred for mixed communities or breeding groups.

Male-only groups are useful for display and help prevent unwanted fry. If keeping males and females together, use at least two or three females per male to reduce persistent attention on individual females. Platies breed readily, so plan for fry or keep sexes separate.

Water Conditions:

Temperature: 22–26°C
pH: 7.0–8.0
Hardness: Moderately hard to hard
Additional Notes: Platies do best in stable, mineral-rich water and are not ideal for very soft acidic conditions. Provide good filtration, regular water changes and gentle to moderate flow. Avoid sudden parameter swings, poor water quality, cold water and overcrowding.

Temperament & Tank Mates:

Aquarium Category: Community Fish

Blue Spotted Redtail Platies are peaceful, active community fish. Males may display to females and each other, but this is usually harmless in a suitable group with enough space.

Good tank mates include guppies, mollies in suitable water, swordtails, peaceful rainbowfish, small to medium rasboras, peaceful tetras that tolerate harder water, cory-type catfish in suitable conditions, Bristlenose Plecos and other calm community fish. Avoid aggressive cichlids, large predators, fin-nipping species and very soft-water specialists.

Feeding:

Platies are omnivorous foragers. Offer quality flakes, small pellets, livebearer granules and fine floating or slow-sinking foods as the staple diet.

Supplement with frozen or live foods such as daphnia, cyclops, brineshrimp, mosquito larvae and finely chopped bloodworm. Include vegetable and algae-based foods such as spirulina flakes, algae wafers or blanched greens to support digestion, colour and long-term health.

Behaviour in the Aquarium:

This is an active midwater to upper-level livebearer that spends much of its time swimming in open areas, browsing plants and feeding near the surface. It is visible, social and usually confident once settled.

Platies are livebearers and can breed very easily. Females give birth to free-swimming fry, which may survive in planted aquariums with moss, floating plants or dense cover. Adults and tank mates may eat fry, so separate rearing is needed if you want to save larger numbers.

Care Notes:

Keep Blue Spotted Redtail Platies in clean, stable and mineral-rich water. Avoid very soft acidic conditions, poor water quality and sudden temperature drops.

Decorative strains can vary in colour and pattern between individuals. Male-only groups are a good choice for colourful display tanks, while mixed-sex groups should be planned carefully due to rapid breeding. Do not mix different platy or swordtail strains if maintaining a pure breeding line is important, as Xiphophorus species and varieties can hybridise.

Recommended For:

Beginner

Availability:

Common to occasional / Captive-bred ornamental strain

Image Disclaimer:

All images are a visual representation of the fish you will receive, made to be as accurate as possible. Natural variation in size, colour, spotting, tail colour, fin shape, body tone and markings can occur between individual fish.