Southern Platyfish (Xiphophorus maculatus) in aquarium
🌿 Freshwater · Reunion|Middle America|North America|Oceania|Afrotropical|Australasian|Nearctic|Neotropical|Oriental

Southern Platyfish

Xiphophorus maculatus — Poeciliidae
🏠 Origin: Reunion|Middle America|North America|Oceania|Afrotropical|Australasian|Nearctic|Neotropical|Oriental
📏 Size: 4–6 cm
Lifespan: 3–5 years
Care level: Beginner

Overview

The Southern Platyfish (Xiphophorus maculatus) is a freshwater fish belonging to the family Poeciliidae. It thrives at temperatures of 18–28 °C with a pH of 7.0–8.3, and requires a minimum tank volume of 60 litres. Known for its very peaceful community fish; ideal beginner livebearer, it is considered a beginner-level species. One of the easiest fish to breed; females drop 20–80 fry every 4–6 weeks. Water changes of 25–30 % weekly, stable parameters, and appropriate tank mates are key to long-term success with this species.

Quick fact: Xiphophorus maculatus belongs to the family Poeciliidae. Care level: beginner.

Scientific Classification

RankClassification
FamilyPoeciliidae
GenusXiphophorus
SpeciesXiphophorus maculatus
Water typefreshwater
Native rangeReunion|Middle America|North America|Oceania|Afrotropical|Australasian|Nearctic|Neotropical|Oriental (Indomalaya)|Palaearctic|Pacific (Oceania)|Austria

Natural Habitat

Xiphophorus maculatus originates from Reunion|Middle America|North America|Oceania|Afrotropical|Australasian|Nearctic|Neotropical|Oriental (Indomalaya)|Palaea. It inhabits freshwater environments and is adapted to the water conditions found in its native range.

Appearance

Adults reach 4–6 cm in length. The body is freshwater and the species displays characteristic coloration suited to its environment.

Behavior

This species is described as a very peaceful community fish; ideal beginner livebearer. It does not school and can be kept individually or in small numbers. Activity level is moderate. One of the easiest fish to breed; females drop 20–80 fry every 4–6 weeks.

TraitValue
Temperamentvery peaceful community fish; ideal beginner livebearer
SchoolingNo
Activity levelmoderate
Important: One of the easiest fish to breed; females drop 20–80 fry every 4–6 weeks.

Water Requirements

ParameterIdeal RangeNotes
Temperature1828°C (6482°F)Use a reliable adjustable heater
pH78.3Avoid sudden swings
Hardness (GH)10–28 dGH dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<20 ppmManage through regular partial water changes
Min. tank60L (16 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts

  • Platies are available in more than 30 selectively bred colour varieties including sunset, tuxedo, and Mickey Mouse.
  • The Mickey Mouse Platy has a marking near the tail base that resembles the Disney character silhouette.
  • Platies tolerate cooler water than most tropical fish, down to 18 °C.

📋 Full Care Guide

Ready to set up a tank for your Southern Platyfish? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Southern Platyfish Care Guide →

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Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.