Marlinsucker, Remora osteochir (Cuvier 1829)

Other Names: Hardfin marlinsucker

A Marlinsucker, Remora osteochir, from Japan. Source: Fishpix ( / via Shorefishes of the Eastern Tropical Pacific. License: CC by Attribution-NonCommercial-ShareAlike

Marlinsuckers usually attach to the body or gill chamber of marlins and sailfish, although individuals occasionally hitch rides on other large fishes.

Cite this page as:
Dianne J. Bray, Remora osteochir in Fishes of Australia, accessed 20 Jun 2024,

Marlinsucker, Remora osteochir (Cuvier 1829)

More Info


Widely distributed in all tropical and warm temperate seas.


The sexes are separate and fertilization is external. Marlinsuckers form pairs during the breeding season.


  • EPBC Act 1999 : Not listed
  • IUCN Red List : Not Evaluated
  • Author

    Dianne J. Bray

    Marlinsucker, Remora osteochir (Cuvier 1829)


    Cuvier, G.L. 1829. Le Règne Animal Distribué d'après son Organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée. Poissons. Paris : Fortin, Masson et Co. Vol. 2 Nouvelle édition, pp. 122-406.

    Gray, K.N., McDowell, J.R., Collette, B.B. & Graves, J.E. 2009. A molecular phylogeny of the remoras and their relatives. Bulletin of Marine Science 84(2): 183-198.

    Lachner, E.A. 1973. Family Echeneididae. pp. 636-640 in Hureau, J.-C. & Monod, T. (eds). Checklist of the Fishes of the North-Eastern Atlantic and of the Mediterranean (CLOFNAM). Paris : UNESCO Vol. 1 683 pp.

    Morota, A. & K. Fujita. 1995. Interrelationships of echeneids and their hosts, and the reproductive habits of Remora osteochir in Hawaiian waters. Gyoruigaku Zasshi 42(2): 203-207.

    O'Toole, B. 2002. Phylogeny of the species of the superfamily Echeneoidea (Perciformes: Carangoidei: Echeneidae, Rachycentridae, and Coryphaenidae), with an interpretation of echeneid hitchhiking behaviour. Canadian Journal of Zoology 80(4): 596-623.

    Whitley, G.P. 1949. Sucking fishes. Australian Museum Magazine 10(1): 17-23

    Quick Facts

    CAAB Code:37336006

    Behaviour:Attaches to marlins & sailfish

    Depth:0-200 m

    Habitat:Pelagic - oceanic

    Max Size:40 cm SL

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