Start here · Essential guide
African Cichlid Care Guide
Learn how to care for African cichlids: tank size, hard alkaline water, filtration, stocking, feeding, and maintenance, plus where to go for species guides.
Aquariums & exotic pets
Fish and reptile care, made clear.
Practical care guides for freshwater and saltwater fish, cichlids, koi, reef tanks and reptiles such as bearded dragons.
72 in-depth guides
12 topics
Oct 2026 latest guide
Featured guides
Guides to start with
Each one links on to more specific articles in its topic.
Are Cichlids Easy to Care For? A Beginner's Look
Are cichlids easy to care for? It depends on the species. Learn what makes cichlids demanding, how big a tank they need, and which ones suit beginners.
Betta Fish Care Guide: Feeding Schedule and What to Feed
Learn how to feed a betta fish: what to offer, how much, how often, how long a betta can go without food, and how to avoid overfeeding and bloat.
Stone Catfish Care
Stone catfish care basics: what the name means, adult size, tank setup, substrate, feeding, growth and tank mates, plus how other catfish in this guide compare.
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.
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Freshwater Fish
Cichlids, bettas, catfish, loaches, koi and community fish.
African Cichlids Mbuna, peacocks and other African cichlids. 5 guides American Cichlids Central and South American cichlids. 5 guides Betta Fish Care Housing, feeding and keeping bettas healthy. 5 guides Catfish Care Care for aquarium catfish and plecos. 4 guides Community Fish Choosing peaceful and hardy freshwater fish. 6 guides Koi & Goldfish Koi and goldfish care, feeding and winter. 5 guides Loaches & Corydoras Bottom dwellers: loaches and corydoras. 5 guides Unusual Freshwater Fish Eels, halfbeaks, tiger fish and other uncommon species. 5 guides
Saltwater & Reef
Reef tanks, saltwater species and marine fish care.
Health & Reptiles
Fish diseases and treatment, plus reptile care.