Molly Fish

Frequently Asked Questions

• What size tank do Molly Fish need?
  A minimum of 20 gallons is recommended for mollies. Larger tanks provide more stable water conditions and room for a small school.
• Are Molly Fish good for beginners?
  Yes! Mollies are one of the best beginner fish. They are hardy, adaptable, and forgiving of minor water parameter fluctuations.
• Can Molly Fish live with other fish?
  Absolutely. Mollies are peaceful community fish that do well with guppies, platies, tetras, corydoras, and other similarly sized non-aggressive species.
• What do Molly Fish eat?
  Mollies are omnivores. They thrive on a varied diet of high-quality flake or pellet food, supplemented with blanched vegetables like zucchini or spinach and occasional live or frozen foods.
• What water temperature do Molly Fish prefer?
  Mollies prefer water temperatures between 72–82°F (22–28°C). A reliable aquarium heater is recommended to maintain a stable temperature.
• Do Molly Fish need salt in their water?
  Mollies can tolerate and even thrive in slightly brackish water (1–1.5 tablespoons of aquarium salt per 5 gallons), but it is not required in a freshwater setup.
• How can I tell if my Molly Fish is male or female?
  Males have a pointed anal fin called a gonopodium, while females have a rounded anal fin. Females are also generally larger and rounder, especially when pregnant.
• How often do Molly Fish breed?
  Mollies are prolific livebearers and can give birth every 4–6 weeks, producing 20–100 fry per batch. If you don't want to breed them, keep only one sex or provide plenty of hiding spots for fry.
• What pH level do Molly Fish need?
  Mollies prefer a pH between 7.0 and 8.5, making them well-suited for hard, alkaline water conditions.
• Do you offer a live arrival guarantee on Molly Fish?
  Yes! All our live fish, including mollies, are covered by our live arrival guarantee. We ship fast with heat or cold packs as needed to ensure your fish arrive healthy.