Poeciliidae: Guppies, Mollies and Livebearers
Live-bearing toothcarps — guppies, mollies, platies, swordtails.
Poecilia reticulata — Guppy
Poecilia reticulata, the guppy, described by Peters in 1859. Covers its livebearing biology, sexual dimorphism by colour, and aquarium husbandry requirements.
Poecilia sphenops — Black Molly
Discover the Black Molly (Poecilia sphenops), a hardy livebearer with a complex history. Learn care tips, breeding habits, and why this adaptable species thrive
Xiphophorus hellerii — Swordtail
Xiphophorus hellerii, the green swordtail, a livebearing poeciliid from Central America. Covers its caudal sword morphology, hybridisation with platies, and husbandry.
Xiphophorus helleri — Green Swordtail
Xiphophorus hellerii, the green swordtail, a livebearing poeciliid from Central America. Covers sexual dimorphism, hybridisation issues and aquarium husbandry.
Xiphophorus maculatus — Southern Platy
Discover the Southern Platy (Xiphophorus maculatus), a hardy freshwater species from Veracruz’s Río Papaloapan. Learn its natural history, care tips, and why th