Angelfish Resource Hub
Our complete angelfish care guide covers everything you need to know, from tank setup and water parameters to feeding, tank mates, and breeding these fish.
By Elena Vargas, Freshwater Aquarium Specialist
Tank
30 gallons (tall)
Temp
76–82°F (24–28°C)
pH
6.0–7.5
Diet
Omnivore
Level
Intermediate
Social
Semi-aggressive with small fish
Resource Hub
Everything About Angelfish
12 guides covering every aspect of angelfish care — organized so you can find exactly what you need.
Start Here
Angelfish Feeding Guide: What, How Much, and How Often to Feed
The full care guide — habitat, diet, water parameters, health, acclimation, and buying tips all in one place.
Setup & Habitat
Learn how to build the perfect aquarium — tank size, substrate, filtration, and environment basics.
Angelfish: Complete Freshwater Species Guide (Care, Tank Mates & Morphs)
Freshwater angelfish care guide: tank size, water params, tank mates, morphs & common mistakes. Learn how to keep angelfish healthy for 10+ years.
Angelfish in an Aquarium: Tank Setup, Care Tips & Best Tank Mates
Angelfish in an aquarium require specific care to thrive — discover tank size, water parameters, tank mates, feeding tips, and disease signs for 2026.
Angelfish Tank Mates: 12 Safe Fish (and Which Ones to Avoid)
Discover the 12 safest angelfish tank mates and which fish to avoid in 2026. Expert guide with comparison tables, water parameter tips, and setup advice.
Emperor Angelfish: Size, Cost & Freshwater Tank Myth
The emperor angelfish is a saltwater reef fish that can't survive in freshwater. Here's its real size, cost, care needs, and better freshwater alternatives.
Lighting & Water
Lighting schedules, water temperature, heater choices, and water chemistry parameters.
Are Angelfish Sea Fish? Freshwater vs. Marine Angelfish Explained
Are angelfish sea fish or freshwater? Discover the key differences, expert tank setup tips, and practical care advice for freshwater angelfish keepers.
Queen Angelfish: Why It Won’t Fit Your 40–75 Gallon Freshwater Upgrade
Queen angelfish need saltwater and far more than a 75-gallon tank. Learn the safe facts, avoid a costly mistake, and plan your freshwater upgrade today.
Diet & Nutrition
What to feed at every life stage — flakes, pellets, frozen foods, live foods, and schedules.
Buying Guide
Where to buy, what varieties cost, and what to look for in healthy fish.