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Kole tang (Ctenochaetus strigosus)
Photo: KimonBerlin · CC BY-SA 2.0 via Wikimedia Commons

Kole tang

Ctenochaetus strigosus · Acanthuridae

Also known as Yellow-eyed tang, Bristletooth tang

Intermediate

The best film-algae cleaner of the tangs and the most peaceful; fits a mid-sized reef.

Minimum tank
265 L
Temperature
24–27 °C
pH
8.1–8.4
Adult size
18 cm
Group size
1+
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Reef & marine husbandry
Specific gravity
1.023–1.026
Reef safety
Reef safe
With corals
Reef safe; scrapes rock, not coral tissue.
With inverts
Reef safe.
Minimum in a mixed reef
265 L
Minimum fish-only (FOWLR)
250 L
Aggression
Mild for a tang.
Feeding
Grazes all day; supplement with nori.
Care requirements
Minimum tank volume
265 L
Temperature
24–27 °C
pH
8.1–8.4
Hardness
8–12 dGH
Lifespan
10–20 years
Diet
Herbivore/detritivore — grazes film algae, plus nori and pellets.
Care level
Intermediate
Origin & habitat
Native region
Hawaii and central Pacific
Water type
Saltwater
Biotope
Rock and rubble reef
Natural conditions
Moderate to strong flow.
Behaviour & stocking
Temperament
Peaceful
Minimum group
1 fish
Swims
All levels
Good tank mates
Clownfish
Gobies
Wrasses
Anthias
Avoid
Other bristletooth tangs
Breeding & difficulty
Breeding difficulty
Advanced
Sexing
No external difference.
Notes
Not bred in captivity.
Common ailments
Marine ich
HLLE

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