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Japanese Angelfish
Japanese Angelfish
Species	Centropyge interruptus
Family	Pomacanthidae
Difficulty	Moderate
Min. Tank Size	113.562 liters 113,562.353 mL 30 US Gallons (113.6L)
Size	15.24 cm 5-6 " (12.7-15.2cm)
sg	1.020 - 1.025
pH	8.1 - 8.5
Temp.	295.372 K 22.222 °C 531.67 °R 298.706 K 25.556 °C 537.67 °R72 -78 °F (22.2-25.6°C)
Water Hardness	8-12 °d
Stocking Ratio	1:1 M:F
Availability	Rare
Diet	Herbivore Other (See article)
Life Span	2-5 years
Habitat	Pacific Ocean

Contents 1 Alternative names 2 Sexing 3 Origin 4 Tank compatibility 5 Diet 6 Environment Specifics 7 Behaviour 8 Identification 9 Pictures 10 References 11 External links

[edit] Alternative names

Japanese Angelfish, Japanese Pygmy Angelfish

[edit] Sexing

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^[1].

[edit] Origin

Found in the Pacific Ocean concentrated around southern and central Japan and the northwestern Hawaiian Islands (Midway and Kure)^[2].

[edit] Tank compatibility

As with many Dwarf Angels, the Japanese Angel is best kept the only Angel to a tank unless the tank is very large over 200 US Gallons (757.1L). They should not bother smaller more peaceful fish.

[edit] Diet

Mainly grazes on algae, may also accept spirulina.

[edit] Environment Specifics

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

[edit] Behaviour

Little known.

[edit] Identification

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

[edit] Pictures

Japanese Angelfish

[edit] References

1. ↑ Reefkeeping.com What a Darling Little Angel: The Genus Centropyge
2. ↑ Fishbase Distribution

[edit] External links

• Fishbase
• Wikipedia