HomeFish encyclopediaRay-finned fishesAnglerfishesBatfishesRoundel batfish Roundel batfish (Zalieutes elater) Scientific name: Zalieutes elater Jordan & Gilbert, 1882 The Roundel batfish (Zalieutes elater) is a marine fish of the family Ogcocephalidae. Native range: Eastern Central Pacific, Point Conception in California, USA to Peru; rare north of Baja California, Mexico. BiologyDorsal soft rays (total): 4-6; Anal spines: 0; Anal soft rays: 4; Vertebrae: 18 - 19. Branchiostegal rays: 6. First dorsal spine modified to form a lure called illicium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameZalieutes elaterFamilyOgcocephalidae (Batfishes)OrderLophiiformes (Anglerfishes)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Common length9.0Depth range18–113 m (59–371 ft)EnvironmentMarine; demersal; depth range 18 - 113 mClimateTropicalDistributionEastern Central Pacific: Point Conception in California, USA to Peru; rare north of Baja California, Mexico.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries:ResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026