Dalmatian Molly

Poecilia sphenops (hybrid/variant)

Type: Freshwater livebearer (Family Poeciliidae, Genus Poecilia)

Dalmatian Molly

Physical Characteristics

Oval-shaped body with a laterally compressed tail. This specific color variant features a striking 'marbled' or 'dalmatian' pattern of black splotches and speckles over a white or silver base. It possesses rounded fins and a small, upturned mouth adapted for surface feeding.

Habitat & Distribution

While this specific color morph is common in home aquaria, the species originates from Central and South America. They naturally inhabit fresh and brackish water environments, including coastal streams, swamps, and marshes with dense vegetation and slow-moving currents.

Size & Weight

Standard adults typically reach a total length of 2 to 4 inches (5 to 10 cm). They are very lightweight, usually weighing only a few grams.

Similar Looking Species

Sailfin Mollys (Poecilia latipinna), which have much larger dorsal fins, and Platies (Xiphophorus maculatus), which have broader, shorter bodies and different fin structures.

Ecological Role

Omnivorous opportunistic feeders that consume algae, rotifers, and small insects. They are prolific livebearers, serving as a significant food source for larger aquatic predators in their natural ecosystem. Conservation status is generally 'Not Evaluated' or 'Least Concern' due to their widespread distribution and high reproductive rate.

Identified on: 1/14/2026

Mode: Standard