HomeFish encyclopediaRay-finned fishesPerch-like fishCollared wrigglersSpotted wriggler Spotted wriggler (Xenisthmus eirospilus) Scientific name: Xenisthmus eirospilus Gill & Hoese, 2004 The Spotted wriggler (Xenisthmus eirospilus) is a marine fish of the family Xenisthmidae. Native range: Southwestern Pacific, Tasman Sea and the Solomons. BiologyDorsal spines: 7; Dorsal soft rays: 12-13; Anal spines: 1; Anal soft rays: 11 - 12; Vertebrae: 27. This species is characterized by the following: second dorsal-fin rays I, 12-13; A I, 11-12; vertebrae 10 + 17; indented tongue; posterior naris with well-developed flap on anterior rim; upper sides of the body with 12 large, closely spaced spots, these usually do not extend to dorsal edge of body; predorsal area broadly scaled to about vertical through posterior edge of preopercle.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameXenisthmus eirospilusFamilyXenisthmidae (Collared wrigglers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length1.8Depth range0–35 m (0–115 ft)EnvironmentMarine; demersal; depth range 0 - 35 mClimateTropicalDistributionSouthwestern Pacific: Tasman Sea and the Solomons.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