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Yellowtail blue tang (Zebrasoma xanthurum)
Photo: Gdiggers · CC BY-SA 3.0 via Wikimedia Commons

Yellowtail blue tang

Zebrasoma xanthurum · Acanthuridae

Also known as Purple tang

Intermediate

Deep purple with a yellow tail; a hardy but pugnacious algae grazer from the Red Sea.

In short: A yellowtail blue tang needs at least 450 L (119 US gal), water at 24–27 °C (75–81 °F) and pH 8.1–8.4. It is aggressive, usually kept singly, and rated intermediate to keep.

Updated

Minimum tank
450 L (119 US gal)
Temperature
24–27 °C (75–81 °F)
pH
8.1–8.4
Adult size
25 cm (9.8 in)
Group size
1+

Reef & marine husbandry

Specific gravity
1.023–1.026
Reef safety
Reef safe
With corals
Reef safe.
With inverts
Reef safe.
Minimum in a mixed reef
450 L (119 US gal)
Minimum fish-only (FOWLR)
400 L (106 US gal)
Aggression
One of the pushier tangs; add other tangs first.
Feeding
Nori clipped daily.

Care requirements

Minimum tank volume
450 L (119 US gal)
Temperature
24–27 °C (75–81 °F)
pH
8.1–8.4
Hardness
8–12 dGH
Lifespan
10–20 years
Diet
Herbivore — nori daily, algae pellets.
Care level
Intermediate

Origin & habitat

Native region
Red Sea and Arabian Gulf
Water type
Saltwater
Biotope
Rocky algae-covered reef
Natural conditions
Strong flow, high oxygen.

Behaviour & stocking

Temperament
Aggressive
Minimum group
1 fish
Swims
All levels
Good tank mates
Clownfish
Wrasses
Angels
Avoid
Other Zebrasoma tangs
Timid fish

Breeding & difficulty

Breeding difficulty
Advanced
Sexing
No external difference.
Notes
Not bred at home.
Common ailments
Marine ich
HLLE
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