Fish Identifier
Platy and Molly (Xiphophorus maculatus and Poecilia sphenops) — freshwater
freshwater

Platy and Molly

Xiphophorus maculatus and Poecilia sphenops

Small, live-bearing freshwater fish featuring compressed bodies, rounded caudal fins, and various ornamental color morphs including yellow, black, and white patterns.

Habitat
Warm freshwater environments, typically slow-moving stre…
Size & weight
Typically ranges from 2 to 7 centimeters in length;…
Diet
Omnivorous, feeding on plant matter, algae, zooplankton,…
Identified More freshwater
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Physical characteristics

Small, live-bearing freshwater fish featuring compressed bodies, rounded caudal fins, and various ornamental color morphs including yellow, black, and white patterns.

Habitat & distribution

Warm freshwater environments, typically slow-moving streams, rivers, and canals, commonly kept in home freshwater aquariums.

Behavior

Active, peaceful, schooling fish that are primarily diurnal and enjoy swimming in the middle and upper levels of the water column.

Diet

Omnivorous, feeding on plant matter, algae, zooplankton, and small aquatic invertebrates.

Reproduction

Ovoviviparous (live-bearing); internal fertilization occurs, and females give birth to free-swimming fry after a gestation period of around 4 weeks.

Ecological role

Acts as a consumer of algae, detritus, and small insects, serving as a prey base for larger aquatic species in their native habitats.

Similar species

Other livebearers such as guppies and swordtails, distinguished by body proportions and fin shapes.

Identification tips

Look for the compact body shape, upward-oriented mouth indicative of surface feeding, and livebearing characteristics.

Interesting facts

These species are extremely popular in the aquarium hobby due to their hardiness, peaceful nature, and wide variety of vibrant color patterns.