The Apogon quartus lives in the demersal, marine, depth range 58 - 61 m environment.
Apogon quartus, Apogon queketti, Spotfin cardinal, 8.0 TL. Apogon quinquestriatus, Apogon radcliffei, ... http://fishbase.sinica.edu.tw/References/SpeciesUsedRefList.cfm?refno=240 List of Species Treated in Reference and Used in FishBase: Apogon quadrisquamatus Longley, 1934, Apogon quadrisquamatus (p. 23, 26, 344). More