HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsFilamentous anthiine Filamentous anthiine (Meganthias filiferus) Scientific name: Meganthias filiferus Randall & Heemstra, 2008 The Filamentous anthiine (Meganthias filiferus) is a marine fish of the family Serranidae. Native range: Indian Ocean, Thailand (Andaman Sea) and SW coast of India (Arabian Sea. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 18; Anal spines: 3; Anal soft rays: 8. This species is distinguished by the following characters: D X,18; A III,8; pectoral rays 17; lateral-line scales 44; gill rakers 12 + 25; body depth 2.05 in SL; head length 2.5 in SL; orbit diameter 4.5 in HL; with accessory scales, dense on head and nape; scales dorsally on snout extending forward to upper lip; small scales cover mandible; rugose lips from dense papillae, enlarged on front of lower lip; maxilla nearly reaching a vertical at rear edge of eye, its posterior end and corners slightly rounded; each side at front of upper jaw with 6 short and stout conical teeth, projecting slightly upward and fully exposed when mouth closed (along with most of the villiform teeth); no teeth on tongue; preopercle corner strongly angular, no spine, upper margin finely serrate, while the lower one is crenulate; dorsal spines progressively longer, the tenth 3.2 in HL; second and third dSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMeganthias filiferusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length29.3Depth range150 m (492 ft)EnvironmentMarine; pelagic-neritic; depth range ? - 150 mClimateTropicalDistributionIndian Ocean: Thailand (Andaman Sea) and SW coast of India (Arabian Sea.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