The short answer
Risky, and it usually ends badly. Angelfish are cichlids that grow surprisingly large, and a mature one will eat any fish small enough to swallow — which eventually includes guppies, and certainly their fry. Juvenile angelfish may live peacefully with guppies for months, but that’s a truce that ends the moment the angelfish is big enough. It’s not a match to rely on.
Why it goes wrong over time
A young angelfish the size of a coin looks harmless next to guppies. But angelfish reach the size of a small saucer, and their instinct is to pick off smaller tankmates, especially at night or when hungry. Guppies also breed constantly, and every batch of fry is an easy meal. Meanwhile, nippy guppies can occasionally harass an angelfish’s long trailing fins, so the friction runs both ways.
If you try it anyway
Some keepers run this combination in a large, planted tank and accept the losses. To improve the odds:
- Use a tall tank of 150 litres or more with dense planting and cover.
- Keep the angelfish well fed so it hunts less.
- Expect no guppy fry to survive — treat it as a display, not a breeding setup.
- Be ready to rehome the guppies once the angelfish matures.
Better matches
Angelfish do best with medium, non-nippy tankmates rather than bite-sized ones — think larger tetras and peaceful corydoras. If you love guppies, pair them with other gentle livebearers instead; see can guppies and mollies live together?. Read the care sheets for the angelfish and guppy, and check how many fish you can keep before stocking a big tank via the aquariums hub.