Gold Molly
Poecilia sphenops · Fish, Vertebrate, Cold-blooded, Domestic pet

Animal Family
Family Poeciliidae, Order Cyprinodontiformes, Class Actinopterygii
Animal Category
Freshwater Animal
Breed / Variety
Gold or Yellow Molly variety
Conservation Status
Least Concern, with stable populations widely managed and bred in captivity for the aquarium trade
About This Creature
A small freshwater fish typically growing to about 2 to 4 inches in length, featuring a stout, streamlined body and a bright, uniform golden-yellow coloration throughout its scales and fins
Physical Characteristics
Compressed body shape, rounded dorsal fin, truncated caudal fin, small upturned mouth adapted for surface feeding, large dark eyes, and bright golden-yellow pigmentation with smooth overlapping scales
Behavior & Temperament
Peaceful, active, and highly social schooling fish that prefers to live in groups, constantly swimming mid-water and near the surface
Habitat & Diet
Origin Region
Central America, specifically Mexico and parts of South America; widely bred and distributed globally in the aquarium trade
Habitat
Freshwater rivers, streams, and estuaries; aquatic and demersal/pelagic
Diet & Nutrition
Omnivorous; feeds on algae, plant matter, small insects, and commercial flake foods in captivity
Lifespan & Health
Typically lives 3 to 5 years in a well-maintained home aquarium; generally hardy but susceptible to common freshwater fish diseases like Ich if water quality drops
Special Characteristics
Livebearer fish that gives birth to free-swimming fry instead of laying eggs; highly adaptable to varying water hardness and salinity levels
Ecological Information
Acts as a minor consumer in freshwater food webs, helping to control algae and small aquatic insect populations