Apogon Temporal range: 55–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Eocene to present[1]
Apogon maculatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Kurtiformes
Family:	Apogonidae
Subfamily:	Apogoninae
Genus:	Apogon Lacepède, 1801
Type species
Apogon ruber Lacepède, 1801

Apogon is a large genus of fish in the family Apogonidae, the cardinalfishes. They are among the most common fish on coral reefs.^[2] Over 200 species have been classified in genus Apogon as members of several subgenera.^[2] Some of these subgenera, such as Ostorhinchus, have been elevated to genus status,^[3] leaving just over 50 species in the genus.^[4]

The 50 recognized species in this genus are:^[4]

• A. americanus Castelnau, 1855 (Brazilian flamefish)
• A. atradorsatus Heller & Snodgrass, 1903 (blacktip cardinalfish)
• A. atricaudus D. S. Jordan & E. A. McGregor, 1898 (plain cardinalfish)
• A. aurolineatus (Mowbray, 1927) (bridle cardinalfish)
• A. axillaris Valenciennes, 1832 (axillary-spot cardinalfish)
• A. binotatus (Poey, 1867) (barred cardinalfish)
• A. campbelli J. L. B. Smith, 1949
• A. cardinalis Seale, 1910
• A. caudicinctus J. E. Randall & C. L. Smith, 1988 (little tailband cardinalfish)
• A. coccineus Rüppell, 1838 (ruby cardinalfish)
• A. crassiceps Garman, 1903 (transparent cardinalfish)
• A. dammermani M. C. W. Weber & de Beaufort, 1929
• A. deetsie J. E. Randall, 1998 (Deetsie's cardinalfish)
• A. dianthus T. H. Fraser & J. E. Randall, 2002
• A. doryssa (D. S. Jordan & Seale, 1906) (longspine cardinalfish)
• A. dovii Günther, 1862 (tailspot cardinalfish)
• A. erythrinus Snyder, 1904 (Hawaiian ruby cardinalfish)
• A. erythrosoma Gon & J. E. Randall, 2003
• A. gouldi Smith-Vaniz, 1977 (deepwater cardinalfish)
• A. guadalupensis (R. C. Osburn & Nichols, 1916) (Guadalupe cardinalfish)
• A. hypselonotus Bleeker, 1855
• A. imberbis (Linnaeus, 1758) (cardinalfish)
• A. indicus D. W. Greenfield, 2001 (Indian cardinalfish)
• A. kautamea D. W. Greenfield & J. E. Randall, 2004 (Rapanui cardinalfish)
• A. kominatoensis Ebina, 1935
• A. lachneri J. E. Böhlke, 1959 (whitestar cardinalfish)
• A. lativittatus J. E. Randall, 2001
• A. leptocaulus C. R. Gilbert, 1972 (slendertail cardinalfish)
• A. maculatus (Poey, 1860) (flamefish)
• A. marquesensis D. W. Greenfield], 2001
• A. mosavi Dale, 1977 (dwarf cardinalfish)
• A. pacificus (Herre, 1935) (pink cardinalfish)
• A. phenax J. E. Böhlke & J. E. Randall, 1968 (mimic cardinalfish)
• A. pillionatus J. E. Böhlke & J. E. Randall, 1968 (broadsaddle cardinalfish)
• A. planifrons Longley & Hildebrand, 1940 (pale cardinalfish)
• A. posterofasciatus G. R. Allen & J. E. Randall, 2002 (rearbar cardinalfish)
• A. pseudomaculatus Longley, 1932 (twospot cardinalfish)
• A. quadrisquamatus Longley, 1934 (sawcheek cardinalfish)
• A. retrosella (T. N. Gill, 1862) (barspot cardinalfish)
• A. robbyi C. R. Gilbert & J. C. Tyler, 1997 (striped cardinalfish)
• A. robinsi J. E. Böhlke & J. E. Randall, 1968 (roughlip cardinalfish)
• A. rubellus (J. L. B. Smith], 1961)
• A. rubrifuscus D. W. Greenfield & J. E. Randall, 2004 (flathead cardinalfish)
• A. seminigracaudus D. W. Greenfield, 2007 (darktail cardinalfish)
• A. semiornatus W. K. H. Peters, 1876 (oblique-banded cardinalfish)
• A. susanae D. W. Greenfield, 2001
• A. talboti J. L. B. Smith, 1961 (flame cardinalfish)
• A. townsendi (Breder, 1927) (belted cardinalfish)
• A. tricinctus G. R. Allen & Erdmann, 2012 (threeband cardinalfish)
• A. unicolor Steindachner & Döderlein (de), 1883 (big red cardinalfish)