Searching for seadragons: predicting micro-habitat use for the common (weedy) seadragon (Phyllopteryx taeniolatus) based on habitat and prey

Sam J Allan; Max J O'Connell; David Harasti; O Selma Klanten; David J Booth

doi:10.1111/jfb.15025

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Searching for seadragons: predicting micro-habitat use for the common (weedy) seadragon (Phyllopteryx taeniolatus) based on habitat and prey

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Searching for seadragons: predicting micro-habitat use for the common (weedy) seadragon (Phyllopteryx taeniolatus) based on habitat and prey

Sam J Allan, Max J O'Connell, David Harasti, O Selma Klanten and David J Booth

Journal of fish biology, Vol.100(4), pp.935-943

04/2022

DOI: https://doi.org/10.1111/jfb.15025

PMID: 35229283

Appears in Recent Faculty of Science and Engineering Publications

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Abstract

Ecklonia radiata

habitat associations

modelling

mysid shrimp

weedy seadragons

Habitat associations can be critical predictors of larger-scale organism distributions and range shifts. Here the authors consider how a critical habitat, kelp (Ecklonia radiata) and prey (mysid crustacean swarms), can influence small- and large-scale distribution on the iconic common (weedy) seadragon (Phyllopteryx taeniolatus:Syngnathidae). P. taeniolatus are charismatic fish endemic to the temperate reefs of southern Australia, reported to range from Geraldton, Western Australia (28.7667°S, 114.6167°E) around southern Australia to Port Stephens, New South Wales (32.614369°S, 152.325676°E). The authors test a previously developed model of seadragon habitat preferences to predict P. taeniolatus occurrence within four sites from Sydney to the northern limit of their range in eastern Australia. They determined that P. taeniolatus associations with Ecklonia and mysid shrimp can be extrapolated across multiple sites to predict the occurrence of individual P. taeniolatus within a location/site. For instance, the authors demonstrated a significant positive relationship between the density of mysid swarms and the density of P. taeniolatus, evident across all sites despite large differences in the density of mysid swarms among sites. The findings are the first to model P. taeniolatus habitat associations across multiple sites to the northern limit of their range and have applications in protecting P. taeniolatus populations and how they may respond under climate change scenarios, such as poleward kelp retractions.

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Title: Searching for seadragons: predicting micro-habitat use for the common (weedy) seadragon (Phyllopteryx taeniolatus) based on habitat and prey
Creators: Sam J Allan - University of Technology Sydney
Max J O'Connell - University of Technology Sydney
David Harasti - New South Wales Department of Primary Industries
O Selma Klanten - University of Technology Sydney
David J Booth - University of Technology Sydney
Publication Details: Journal of fish biology, Vol.100(4), pp.935-943
Publisher: Wiley-Blackwell Publishing Ltd.
Identifiers: 991013125987202368
Copyright: © 2022 The Authors. Journal of Fish Biology published by John Wiley & Sons Ltd on behalf of Fisheries Society of the British Isles. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, (https://creativecommons.org/licenses/by-nc-nd/4.0/).
Academic Unit: Faculty of Science and Engineering
Language: English
Resource Type: Journal article

Searching for seadragons: predicting micro-habitat use for the common (weedy) seadragon (Phyllopteryx taeniolatus) based on habitat and prey

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