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Journal article
Clamping down on mobulid movement: rigid attachment of a biologging device on the reef manta ray, Mobula alfredi
Animal biotelemetry, Vol.14(1), 29
2026
Abstract
Animal-attached biologging tags (biologgers) have revolutionised the documentation of the movement and behaviour of large, mobile marine species, however, motion-sensitive sensors (e.g., accelerometers and magnetometers) ideally require rigid attachment and are often challenging to deploy without capture and restraint on species without smooth skin, where traditional suction cup attachments fail. This process can cause stress and injuries and may not be practically feasible or permissible for some large or threatened species. Although advances in deployment methods have facilitated rigid attachments on free-swimming pelagic sharks and whales, no study to-date has developed a rigid attachment approach to reliably collect motion-sensitive data from free-swimming pelagic rays without the need for capture and restraint. Here, we describe two methods of rigid tag attachment, a top jaw clamp and modified dorsal fin clamp, that were trialled on reef manta rays (Mobula alfredi) and detail the animal response and success rates of each method. The top jaw clamp attachment was deployed on five manta rays but had very short retention times (< 3 min) because of dislodgement by animals. Dorsal fin clamps were deployed on 31 reef manta rays and remained attached for up to 55.5 h, with 27 of 31 (87%) of recovered tags being retained for the intended deployment duration. The dorsal fin clamp provided an effective method of deploying sensors that require a rigid attachment onto manta rays and the data these sensors collect has great potential to advance current understanding of mobulid ecology and behaviour.
Details
- Title
- Clamping down on mobulid movement: rigid attachment of a biologging device on the reef manta ray, Mobula alfredi
- Authors/Creators
- Rachel J. Newsome - Murdoch UniversityRobert W. Bullock - Save Our Seas Fdn Arros Res Ctr, Amirantes, SeychellesGuy M. W. Stevens - National TrustHenriette M. V. Grimmel - Save Our Seas Fdn Arros Res Ctr, Amirantes, SeychellesMark G. Meekan - The University of Western AustraliaLauren R. Peel - National TrustMike van Keulen - Murdoch University, Centre for Sustainable Aquatic EcosystemsAdrian C. Gleiss - Murdoch University, School of Environmental and Conservation Sciences
- Publication Details
- Animal biotelemetry, Vol.14(1), 29
- Publisher
- Springer Nature
- Number of pages
- 12
- Grant note
- Forrest Research Foundation Holsworth Research Endowment / Ecological Society of Australia Minderoo Exmouth Research Laboratory Special Keystone Grant 557 / Save Our Seas Foundation
- Identifiers
- 991005916119807891
- Copyright
- © The Author(s) 2026.
- Murdoch Affiliation
- School of Environmental and Conservation Sciences; Centre for Sustainable Aquatic Ecosystems
- Language
- English
- Resource Type
- Journal article
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