| Apogon erythrinus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gobiiformes |
| Family: | Apogonidae |
| Genus: | Apogon |
| Species: | A. erythrinus |
| Binomial name | |
| Apogon erythrinus Snyder, 1904 | |
Apogon erythrinus, also called Hawaiian ruby cardinalfish, is a marine fish species endemic to Hawaii. It belongs to the family Apogonidae and the subfamily Apogoninae.
Description
The Hawaiian ruby cardinalfish is a relatively small red fish with a somewhat transparent appearance. They can grow up to 1.57" (4 cm). They have a second dorsal fin spine that reaches at least to the base of the third ray of their second dorsal fin when depressed, and they have 14 pectoral fin rays. They live for about four months.
Distribution and habitat
The Hawaiian ruby cardinalfish is endemic to the Hawaiian islands. These fish are very shy, nocturnal, and prefer to hide in and patrol along holes and crevices.
References
- Polack, Dennis. "Apogon erythrinus | Hawaiian ruby cardinalfish | Apogonidae - FishWise". FishWise Pro. Retrieved 2021-11-04.
- "ADW: Apogon erythrinus: Classification". Animal Diversity. Retrieved 2021-11-04.
- "Apogon erythrinus". Reeflex. Archived from the original on 2021-09-15. Retrieved 2021-11-04.
- "Apogon erythrinus, Hawaiian ruby cardinalfish". FishBase. Retrieved 2021-11-04.
- "Hawaiian Ruby Cardinalfish, Apogon erythrinus". Marine Life Photography. Retrieved 29 July 2023.
- ^ Hoover, John P. (2008). The ultimate guide to Hawaiian reef fishes sea turtles, dolphins, whales, and seals. John P. Hoover. Honolulu: Mutual Pub. ISBN 978-1-56647-887-8. OCLC 243960518.
| Taxon identifiers | |
|---|---|
| Apogon erythrinus | |
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