Top predator sea stars are the benthic equivalent to polar bears of the pelagic realm

Author:

Amiraux Rémi1ORCID,Yurkowski David J.2,Archambault Philippe3,Pierrejean Marie23,Mundy C. J.1

Affiliation:

1. Centre for Earth Observation Science, Clayton H. Riddell Faculty of Environment, Earth, and Resources, University of Manitoba, Winnipeg, MB R3T 2N2, Canada

2. Arctic and Aquatic Research Division, Fisheries and Oceans Canada, Winnipeg, MB R3T 2N6 Canada

3. Québec-Océan, ArcticNet, Sentinel North and Takuvik, Laval University, Québec, QC G1V 0A6, Canada

Abstract

The marine pelagic compartment spans numerous trophic levels and consists of numerous reticulate connections between species from primary producers to iconic apex predators, while the benthic compartment is perceived to be simpler in structure and comprised of only low trophic level species. Here, we challenge this paradigm by illustrating that the benthic compartment is home to a subweb of similar structure and complexity to that of the pelagic realm, including the benthic equivalent to iconic polar bears: megafaunal-predatory sea stars.

Funder

Gouvernement du Canada | Natural Sciences and Engineering Research Council of Canada

Marine Environmental Observation Prediction and Response Network

Canada Foundation for Innovation

Gouvernement du Canada | Fisheries and Oceans Canada

Earth Ranger

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

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