David Fleetham / Sharksucker (Echeneis naucrates) cleaning scraps from inside mouth of Lemon shark (Negaprion brevirostris), unusual evidence of shark benefiting from relationship. West End, Grand Bahamas, Caribbean.
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David Fleetham / Sharksucker (Echeneis naucrates) attached to Lemon shark (Negaprion brevirostris). Grand Bahamas, Caribbean.
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David Fleetham / Sharksucker (Echeneis naucrates) feeding on scraps of prey of Lemon shark (Negaprion brevirostris) to which it is attached. Grand Bahamas, Caribbean.
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David Fleetham / Sharksucker (Echeneis naucrates) feeding on scraps of prey of Lemon shark (Negaprion brevirostris) to which it is attached. Grand Bahamas, Caribbean.
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David Fleetham / Lemon shark (Negaprion brevirostris) hosting an unusually high number of shark suckers (Echeneis naucrates), Grand Bahamas, Caribbean.
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David Fleetham / Sharksucker (Echeneis naucrates), West End, Grand Bahamas, Caribbean.
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Alex Mustard / Reef manta (Mobula alfredi) swimming with Remoras (Remora remora). South Ari Atoll, Maldives. Indian Ocean.
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Alex Mustard / Remora (Remora remora) schooling beneath dive boat on a coral reef. North Male Atoll, Maldives. Indian Ocean.
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Frederique Olivier / Close-up of a Whale shark (Rhincodon typus) swimming near the surface, with Remora (Echeneis), Ningaloo Reef, Western Australia, 2014.
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Alex Mustard / Remora fish (Remora remora) showing adhesive disc or sucker plate, Bimini, Bahamas. Gulf Stream, tropical West Atlantic Ocean
