HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesMottled twister Mottled twister (Bellapiscis lesleyae) Scientific name: Bellapiscis lesleyae Hardy, 1987 The Mottled twister (Bellapiscis lesleyae) is a marine fish of the family Tripterygiidae. Native range: Southwest Pacific, New Zealand. BiologyFound predominantly in tide pools and upper subtidal areas. Solitary. Feeds mainly on amphipods, isopods, polychaetes, and small gastropods. Males may defend small breeding territories during the breeding season.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBellapiscis lesleyaeFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range0–5 m (0–16 ft)EnvironmentMarine; demersal; non-migratory; depth range 0 - 5 mClimateTemperateDistributionSouthwest Pacific: New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (tm=1; tmax=3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026