The common names vary from place to place, so I don’t know if this is the fish you asked about. Are there purple fish among marine fish?
Purple fish in the family Lutjanidae? Pristipomoides? Fish? (approximately 11 species)
Purple fish The body is elongated, flat on the sides, purple-red, generally 40-70 cm long, and can grow up to one meter in some species. The average habitat depth is 40~400 meters in the sea. Living in rocky bottom sea areas, it will migrate vertically and forage at night. It is carnivorous and feeds on fish, crustaceans, amphipods, ascidians, etc. It is an edible fish and sport fish with high economic value.
The specific species are as follows:?
Pristipomoides aquilonaris? (Goode?amp;?T. H. Bean, 1896)?(wenchman)
Pristipomoides argyrogrammicus (Valenciennes, 1832), (ornate jobfish)
Japanese purple fish (Yellow-tailed bream) Pristipomoides auricilla (D. S. Jordan, Evermann ?amp;?S. Tanaka (I), 1927)?(goldflag jobfish)
Pristipomoides filamentosus?(Valenciennes], 1830)?(crimson jobfish, crimson snapper)
Pristipomoides flavipinnis?S. Shinohara, 1963?(golden eye jobfish)
Pristipomoides freemani ?W. D. Anderson, 1966?(slender wenchman)
Pristipomoides macrophthalmus?(J. P. Müller?amp;?Troschel, 1848)?(Cardinal snapper)
Pristipomoides multidens?(F. Day, 1871)?(goldbanded jobfish, goldband snapper)
Pristipomoides multidens?(F. Day, 1871)?(goldbanded jobfish, goldband snapper)
Pristipomoides multidens? ) Pristipomoides sieboldii?(Bleeker, 1855)?(lavender jobfish)
Pristipomoides typus?Bleeker, 1852?(sharptooth jobfish)
Oblique Pristipomoides zonatus?(Valenciennes, 1830)?(oblique-banded snapper)