HomeFreshwater aquarium fishOther freshwater fishRock gunnel Rock gunnel (Pholis gunnellus) Scientific name: Pholis gunnellus Linnaeus, 1758 The Rock gunnel (Pholis gunnellus) is a brackish-water fish of the family Pholidae. BiologyRibbon - shaped body with 9 - 13 eye spots along the base of the dorsal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePholis gunnellusFamilyPholidae (Gunnels)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range0–100 m (0–328 ft)EnvironmentMarine; brackish; demersal; non-migratory; depth range 0 - 100 m, usually 0 - 30 mClimatePolarDistributionNorth Atlantic: Kanin Peninsula southward to La Rochelle (including White Sea, North Sea and Baltic), also Iceland, but not eastern Greenland, Spitzbergen or Novaya Zemlya. Western Atlantic: Labrador, Canada to Delaware Bay, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=1-3; K=0.18-0.29; tmax=12) More other freshwater fishPumpkinseedLepomis gibbosusLined soleAchirus lineatusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSouth American lungfishLepidosiren paradoxaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026