Care guide
Blue tang (regal tang) care
There's no guide just for Blue tang (regal tang) yet. Here's caring for dwarf angelfish and tangs; ask the seller about anything specific to this species.
- Kind
- Angelfish or tang
- Adult size
- About 30 cm
- Smallest tank
- 700 litres
- Water temperature
- 24–27 °C
- Salinity
- 1.023–1.026 SG
- Temperament
- Semi-aggressive
- Reef safe
- Yes
- Care level
- Advanced
- Where they come from
- Usually wild-collected
- Good to know
- Grows to 30 cm and needs a very long tank. Almost all are wild-caught; the first aquacultured ones are now sold, so ask which.
- CITES
- Not listed
Dwarf angelfish and tangs are some of the most popular reef fish. They need large, established tanks, plenty of algae in their diet and careful quarantine.
Space
Tangs swim constantly and need long tanks, ideally 400 litres or more. Dwarf angels need rockwork to graze and hide in.
Diet
Feed seaweed sheets and algae-based foods every day, plus meaty frozen foods.
Health and reef safety
Tangs are prone to marine ich; quarantine them carefully. Dwarf angels may nip some corals and clams. Aquacultured flame angels and yellow tangs are now available; ask the seller.
Further reading
General information to help you prepare, not veterinary advice. Every animal is different: ask an experienced vet about yours. Reviewed by PerfectPal on October 13, 2026.