The Apogon relativus lives in the reef-associated, marine, depth range - 9 m environment.
Zebrasoma desjardinii X X Apogon relativus Ecsenius fijiensis Callionymus ochiaii Chaetodon semeion x Amblygobius tekomaji Plectorhinchus diagrammus Choerodon balerensis Paramonacanthus oblongus Gymnothorax formosus Pomacanthus sexstriatus x Chromis pembae x Scarus quoyi Rhinopias eschmeyeri Chelidoperca lecromi Doryrhamphus negrosensis malus Omegophora armilla More
Apogon relativus, with five dark stripes and pink fins, is similar to A. angustatus, differing in having narrower stripes, a larger and vertically elongate black spot at midbase of caudal fin in adults, and a broader interorbital space (bony width 4.05-4.8 in head, compared with 5.0-5.95 for A. More