Guppy
Poecilia reticulata · Fish, Vertebrate, Cold-blooded, Domestic/Captive-bred
Animal Family
Poeciliidae, order Cyprinodontiformes, class Actinopterygii
Animal Category
Freshwater Animal
Breed / Variety
Common or feeder guppy, female with subdued coloration
Conservation Status
Least Concern, with stable and widespread populations globally due to high adaptability and widespread intentional introduction.
About This Creature
Small freshwater fish with an elongated body, typically ranging from 1.5 to 6 centimeters in length depending on sex, with females being larger and possessing a duller, more silvery-grey coloration and a small dark gravid spot near the anal fin.
Physical Characteristics
Streamlined body shape, rounded caudal fin, small superior mouth adapted for feeding at the water surface, transparent pectoral fins, and scales arranged in a clear pattern with silver to brownish tones on the dorsal side.
Behavior & Temperament
Peaceful, highly active, and social schooling fish that prefers groups, spending most of its time swimming near the middle and upper levels of the water column.
Habitat & Diet
Origin Region
Northeast South America including Trinidad and Tobago, Venezuela, and Guyana; introduced worldwide for mosquito control.
Habitat
Freshwater streams, ponds, and warm tropical puddles; Aquatic
Diet & Nutrition
Omnivorous, feeding on algae, plant matter, mosquito larvae, and small aquatic invertebrates; readily accepts commercial flake foods.
Lifespan & Health
Typically lives 1 to 3 years in captivity; prone to common freshwater fish diseases like Ich, fin rot, and fungal infections, with high reproductive rates via live-bearing.
Special Characteristics
Livebearer fish giving birth to free-swimming fry rather than laying eggs; extremely popular in the aquarium trade and extensively used for mosquito control.
Ecological Information
Serves as a lower-trophic-level consumer in freshwater ecosystems, controlling mosquito populations and acting as a prey base for larger fish and aquatic birds.