Apogon erythrinus,[1] also called Hawaiian ruby cardinalfish, is a marine fish species endemic to Hawaii. It belongs to the family Apogonidae and the subfamily Apogoninae.[2]
Apogon erythrinus | |
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Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Kurtiformes |
Family: | Apogonidae |
Genus: | Apogon |
Species: | A. erythrinus |
Binomial name | |
Apogon erythrinus Snyder, 1904 | |
The Hawaiian ruby cardinalfish is a relatively small red fish with a somewhat transparent appearance. They can grow up to 1.57" (4 cm).[3] 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.[4] They usually get about 4 months old.[5]
The Hawaiian ruby cardinalfish is endemic to the Hawaiian islands.[6] These fish are very shy, nocturnal, and prefer to hide in and patrol along holes and crevices.[6]
Taxon identifiers |
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