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Remora remora  (Linnaeus, 1758)

Shark sucker
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| Native range | All suitable habitat | PointMap | Year 2100 |
This map was computer-generated and has not yet been reviewed.
Remora remora   AquaMaps   Data sources: GBIF OBIS
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Image of Remora remora (Shark sucker)
Remora remora
Picture by Bryan, D.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Echeneidae (Remoras)
Etymology: Remora: Latin, remora = delay, hindrance (1567) (Ref. 45335);  remora: remora meaning delay or hindrance; these fish were once thought to delay a ship's progress when they attached to the hull (Ref. 4389).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 0 - 100 m (Ref. 50610).   Subtropical; 60°N - 36°S, 180°W - 180°E

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 86.4 cm TL male/unsexed; (Ref. 26340); common length : 40.0 cm TL male/unsexed; (Ref. 26999); max. published weight: 1.1 kg (Ref. 40637)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 22-26; Anal spines: 0; Anal soft rays: 22 - 24. Dark brownish grey in color (Ref. 4389). During the course of development, fin is transformed into a suction disc (Ref. 35388). Deeper-bodied than Echeneis naucrates (Ref. 37816).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Cosmopolitan in warm waters. Western Pacific: Japan (Ref. 559) to New Zealand and Norfolk Island (Ref. 8879). Eastern Pacific: San Francisco in California, USA to Chile (Ref. 2850). Western Atlantic: Nova Scotia, Canada to Argentina (Ref. 7251). Eastern Atlantic: North Sea to the Canary Islands, including the western Mediterranean. Recorded from Iceland (Ref. 13583) and between Sweden and Denmark (Ref. 28571).

Biology     Glossary (e.g. epibenthic)

Usually associated with sharks but also attaches itself to other large fishes, sea turtles and even ships (Ref. 2850, 58302); found in gill chambers, fins and body surface (Ref. 5951). Sometimes free-swimming (Ref. 2850). Younger individual is more active as parasite pickers (Ref. 26938). Feeds on parasitic copepods (Ref. 35388).

Main reference Upload your references | References | Coordinator | Collaborators

Lachner, E.A. and A. Post, 1990. Echeneidae. p. 725-728. In J. C. Quéro, J. C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 10791)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5352   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.1   ±0.4 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 10,000).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100) .
Price category (Ref. 80766):   High.