HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsGurnard scorpionfishesSouthern gurnard perch Southern gurnard perch (Maxillicosta meridianus) Scientific name: Maxillicosta meridianus Motomura, Last & Gomon, 2006 The Southern gurnard perch (Maxillicosta meridianus) is a marine fish of the family Neosebastidae. Native range: Southeastern Indian Ocean, Australia. BiologyThis species is characterized by the following: pectoral-fin rays 21-24 (22); scales in longitudinal series 47-51 (49); pored lateral-line scales 27-29 (28); scale rows between last pelvic-fin ray bases 3 or 4 (3); scales above lateral line 2 or 3 (3), below 12-14 (13); scales between sixth dorsal-fin spine base and lateral line 3-5 (4); scales between last dorsal-fin spine and lateral line 4 or 5 (5); scales above lateral line behind head usually with no strong median ridge; central portion of inner ridge on ventral mandibular surface at the inner edge of dentary or closer to inner edge than to central ridge, no short ridge between posterior portions of inner and central ridges; spinous points 0-6 on anterior margin of nasal spine, number decreasing with growth, spinous points 5-15 on entire nasal spine; spinous points 5-13 on surface of preocular spine; spines or distinct ridges absent on lateral margin of occipital pit between tympanic spine and origin of parietal spine base; ossSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMaxillicosta meridianusFamilyNeosebastidae (Gurnard scorpionfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length7.9Depth range10–137 m (33–449 ft)EnvironmentMarine; demersal; depth range 10 - 137 mClimateTropicalDistributionSoutheastern Indian Ocean: Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026