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Pearl only comes out from the coral once the light has gone properly blue.

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About the Banggai cardinalfish

Origin
Banggai Islands, Indonesia — a very small natural range
Adult size
About 8 cm
Lifespan
3–5 years
Minimum tank
115 litres for a pair
Conservation
Endangered in the wild; buy captive-bred
Breeding
Male mouthbroods eggs and young for about a month

Read more about the banggai cardinalfish — what they are like to live with, grooming, and the health worth knowing about.

More fish

Newest first.

Basil 12, a banggai cardinalfish

Banggai cardinalfish

Basil 12 has the clapperboard and is ready for take one. Somebody has filled the doorway of the set with carrots.

FrostyOtter · 1 week ago

Basil 12, a banggai cardinalfish

Banggai cardinalfish

Basil 12 does this every morning and I have stopped questioning it.

SunnyHeron · 2 weeks ago

Apricot, a goldfish

Goldfish

Apricot drifts past the front of the tank twice a minute, checking on me.

FrostyOtter · 5 days ago

Kintaro, a koi

Koi

Kintaro and the others come up the instant a shadow crosses the water, in case it is food.

FrostyOtter · 5 days ago

Marlin, a blue tang

Blue tang

Marlin does one slow circuit of the reef and arrives back exactly where he started.

FrostyOtter · 6 days ago

Fisher, a boesemani rainbowfish

Boesemani rainbowfish

Fisher changes colour depending on the light and takes full personal credit for it.

FrostyOtter · 6 days ago

Buttercup, a butterflyfish

Butterflyfish

Buttercup patrols the edge of the reef and considers every bit of it hers to inspect.

FrostyOtter · 6 days ago

Inky, a black moor

Black moor

Inky drifts along the bottom looking permanently astonished by his own bubbles.

FrostyOtter · 6 days ago

All fish