Japanese Angelfish (Centropyge interruptus)

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Japanese Angelfish

Centropyge interruptus43468.jpg
Japanese Angelfish

Centropyge interruptus

114 Litres (30 US G.)

12.7-15.2cm (5-6 ")


8.1 - 8.5

22.2-25.6°C (72 -78 °F)

8-12 °d

1:1 M:F

Other (See article)

2-5 years



Additional names

Japanese Angelfish, Japanese Pygmy Angelfish

Additional scientific names

Angelichthys interruptus, Centropyge interruptus

Origin[edit | edit source]

Found in the Pacific Ocean concentrated around southern and central Japan and the northwestern Hawaiian Islands (Midway and Kure).[1]

Sexing[edit | edit source]

Females will have blue speckling across their whole body, males just on the face.
In 1978 Moyer and Nakazono showed Centropyge interruptus to be a protogynous hermaphrodite - in other words, they enter the world without a sex. As they mature, they first take on the female sex organs. Similar to other protogynous hermaphrodites, the male is the result of a dominant female that has undergone a sex change due largely to a male that has either died or disappeared in some manner.[2]

Tank compatibility[edit | edit source]

As with many Dwarf Angels, the Japanese Angel is best kept the only Angel to a tank unless the tank is very large over 757 Litres (200 US G.). They should not bother smaller more peaceful fish.

Diet[edit | edit source]

Mainly grazes on algae, may also accept spirulina.

Environment specifics[edit | edit source]

Needs a mature tank with algae covered live rock to thrive.

Identification[edit | edit source]

Typical oval Angelfish shape, the body is bright orange in base colour with neon blue speckles and a yellow caudal fin.

Pictures[edit | edit source]

References[edit | edit source]

  1. Fishbase (Mirrors: Icons-flag-us.png) Distribution
  2. Reefkeeping.com What a Darling Little Angel: The Genus Centropyge

External links[edit | edit source]