
freshwater
Platy
Xiphophorus maculatus
Compact, stout body with a rounded dorsal fin, short pectoral and pelvic fins, and a truncate or slightly rounded caudal fin. Coloration is highly variable due to selective breeding, commonly featuring bright yellow, orange, red, or variegated patterns with black markings.
- Habitat
- Slow-moving freshwater streams, canals, drainage ditches…
- Size & weight
- Typically reaches 1.5 to 2.5 inches (4 to 6 cm) in lengt…
- Diet
- Omnivorous feeder, consuming algae, plant matter, small…
Identified More freshwater →
Learn more about Platy in the encyclopedia →Physical characteristics
Compact, stout body with a rounded dorsal fin, short pectoral and pelvic fins, and a truncate or slightly rounded caudal fin. Coloration is highly variable due to selective breeding, commonly featuring bright yellow, orange, red, or variegated patterns with black markings.
Habitat & distribution
Slow-moving freshwater streams, canals, drainage ditches, and warm springs with abundant aquatic vegetation, native to Central America (Mexico, Guatemala, Honduras).
Behavior
Peaceful, active, and social schooling fish that prefers to swim in groups. Diurnal in activity pattern.
Diet
Omnivorous feeder, consuming algae, plant matter, small aquatic insects, crustaceans, and detritus.
Reproduction
Livebearer (ovoviviparous); females give birth to free-swimming fry after internal fertilization and a gestation period of roughly 24 to 30 days.
Ecological role
Acts as both predator and prey in its natural ecosystem, feeding on small invertebrates and algae while serving as a food source for larger aquatic predators and wading birds.
Similar species
Swordtail (Xiphophorus hellerii), which generally possesses a longer, sword-like lower caudal fin extension in males, and Molly (Poecilia sphenops), which tends to have a more robust body shape and different fin structure.
Identification tips
Distinguished by a stocky livebearer body shape, absence of the elongated swordtail fin, rounded caudal fin, and vibrant, variable coloration.
Interesting facts
Platies can interbreed closely with swordtails, producing fertile hybrid offspring. They are among the most popular freshwater aquarium fish in the world due to their hardiness and peaceful temperament.