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Aggressive Freshwater Fish: Species and Tank Size Guide
Which freshwater fish are aggressive, why they act that way, and how much tank space they generally need, from tiger barbs to large cichlids and predators.
Freshwater Fish
Community Fish
Choosing peaceful and hardy freshwater fish.
Are Platys Hardy Fish?
Platies are widely considered hardy beginner fish. Learn what that means, their temperature and water range, group size, and where they can still struggle.
Best Aquascaping Fish
Choosing fish for a planted aquascape: small peaceful schooling species, bottom dwellers and cleanup helpers, plus fish that tend to damage the layout.
Do Mosquito Fish Lay Eggs? Breeding Basics
Mosquito fish do not lay eggs; they give birth to live young. Learn how they breed, signs of pregnancy, how fast they multiply, and basic feeding and care.
Flying Fox Fish Care
Flying fox fish care guide: adult size, tank size, diet, temperament, tankmates, and how to tell it apart from the Siamese algae eater.
Spike-Tailed Paradise Fish Care
Care guide for the spike-tailed paradise fish: size, tank setup, water parameters, diet, tankmates, breeding, and how it differs from the larger paradise fish.
Related topics
More in freshwater fish
African Cichlids Mbuna, peacocks and other African cichlids. American Cichlids Central and South American cichlids. Betta Fish Care Housing, feeding and keeping bettas healthy. Catfish Care Care for aquarium catfish and plecos. Koi & Goldfish Koi and goldfish care, feeding and winter. Loaches & Corydoras Bottom dwellers: loaches and corydoras. Unusual Freshwater Fish Eels, halfbeaks, tiger fish and other uncommon species.