HomeFish encyclopediaRay-finned fishesPerch-like fishGunnelsTidepool gunnel Tidepool gunnel (Pholis nebulosa) Scientific name: Pholis nebulosa Temminck & Schlegel, 1845 The Tidepool gunnel (Pholis nebulosa) is a marine fish of the family Pholidae. Native range: Northwest Pacific, Japan and Korea. BiologyFound in tide pools or the intertidal zone to 20 m depth, on sandy-mud bottoms and among rocks of rocky reefs; also in eelgrass beds. Sometimes to 200 m depth. Feeds on gammarids. Juveniles associate with drifting seaweed. Although rarely used for commercial food, this species is highly valued as fried fish in the spring months in Tokyo and neighboring areas.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePholis nebulosaFamilyPholidae (Gunnels)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range0–200 m (0–656 ft)EnvironmentMarine; demersal; depth range 0 - 200 m, usually 0 - 20 mClimateTemperateDistributionNorthwest Pacific: Japan and Korea.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (K=0.7) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026