HomeFish encyclopediaRay-finned fishesPerch-like fishRemorasShark sucker Shark sucker (Remora remora) Scientific name: Remora remora Linnaeus, 1758 The Shark sucker (Remora remora) is a marine fish of the family Echeneidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 22-26; Anal spines: 0; Anal soft rays: 22 - 24. Dark brownish grey in color. During the course of development, fin is transformed into a suction disc. Deeper-bodied than Echeneis naucrates.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRemora remoraFamilyEcheneidae (Remoras)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length86.4Common length40.0Depth range0–100 m (0–328 ft)EnvironmentMarine; reef-associated; depth range 0 - 100 mClimateSubtropicalDistributionCosmopolitan in warm waters. Western Pacific: Japan to New Zealand and Norfolk Island. Eastern Pacific: San Francisco in California, USA to Chile. Western Atlantic: Nova Scotia, Canada to Argentina. Eastern Atlantic: North Sea to the Canary Islands, including the western Mediterranean. Recorded from Iceland and between Sweden and Denmark.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026