Mollies

Molly (Poecilia sphenops & related species)
Mollies are hardy, active livebearing fish popular in freshwater and slightly brackish aquariums. Known for their variety of colors and fin types, they are social fish that do well in groups and are great for community tanks, though males can be mildly aggressive when competing.

Quick Facts:

• Origin: Central & South America
• Family: Poeciliidae
• Adult Size: Up to 8–12 cm
• Lifespan: 3–5 years
• Temperament: Peaceful to semi-aggressive (male chasing common)
• School Size: 3–6+ (1 male : 2–3 females recommended)
• Tank Level: Top to mid-level
• Diet: Omnivore – algae, flakes, pellets, vegetable matter, live/frozen foods
• Water Temperature: 24–28 °C
• pH Range: 7.5–8.5 (alkaline preferred)
• Water Hardness: Medium to hard (10–30 dGH)
• Tank Setup: Plants, open swimming space, optional salt (brackish tolerated)
• Compatibility: Peaceful community fish; avoid aggressive or fin-nipping species
• Care Level: Easy to moderate