Saltwater
Ruby cardinalfish
Apogon coccineus
Apogonidae, Apogoninae
Facts
Characteristics
- Length
- Up to 6 cm
- Body shape
- Streamlined
Care
- Group
- Missing
- Smallest aquarium
- 8 liters
- Diet
- Missing
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Behavior
Water values
Smallest tank
Range
Native
Lives wild in Admiralty Is., American Samoa, Australia, Bahrain, Chile, Christmas Island, Comoros, Djibouti, and 35 more countries.
More about the species
Description
Occurs in sheltered reef flats, lagoon and seaward reefs to a depth of 17 m or more. Feeds on small benthic crustaceans at night; cryptic under rocks or deep holes by day.
Other names
Other scientific names
- Apogon campbelli
- Apogon erythrinus
- Apogon kominatoensis
In other languages
- Cryptic cardinalfish, Red cardinal, Ruby cardinal
Articles
All articles
How to add new fish4 min read
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.
Quarantine for new fish3 min read
Why new fish should live in a tank of their own for a few weeks before they move in, what you need, and what to look for.
From freshwater to saltwater3 min read
What is different in a saltwater aquarium: salt, refractometer, live rock and corals. An introduction for anyone thinking of giving it a try.