PeerJ Author & Reviewer 130 Points Contributions by role Author 100 Reviewer 30 Contributions by subject area Animal Behavior Ecology Marine Biology Zoology Aquaculture, Fisheries and Fish Science Pedro A. Quijón PeerJ Author & Reviewer Summary Ecology Marine Biology Past or current institution affiliations University of Prince Edward Island PeerJ Contributions Articles 1 December 21, 2020 The positive effect of coexisting ecosystem engineers: a unique seaweed-mussel association provides refuge for native mud crabs against a non-indigenous predator Paula Tummon Flynn, Keegan McCarvill, K. Devon Lynn, Pedro A. Quijón https://doi.org/10.7717/peerj.10540 PubMed 33391877