2015
DOI: 10.3354/meps11351
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Distinct cross-shelf gradient in mesophotic reef fish assemblages in subtropical eastern Australia

Abstract: The hypothesized importance of mesophotic (30 to 150 m depth) reefs justifies the recent trend in scientific scrutiny of these systems. However, to enable assessment of complex concepts such as connectivity and reef dynamics, baseline assemblage characteristics must first be established. This study used baited remote underwater video (BRUV) technology to investigate the assemblage structure of predatory and scavenging fishes across 4 mesophotic reef bands at ca. 30 to 82 m depth, at 2 locations 25 km apart in … Show more

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Cited by 22 publications
(19 citation statements)
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“…In nearby La Parguera, a distinct MCE fish assemblage was found at similar depths, between 40 and 70 m (Bejarano et al, 2014). Similar trends with depth were found in fish assemblages from eastern Australia, Hawaii, and Brazil (Pearson and Stevens, 2015;Pyle et al, 2016;Rosa et al, 2016), though the depth that a distinct MCE assemblage develops can vary with geographical location (Pinheiro et al, 2016).…”
Section: Fish Assemblagesupporting
confidence: 62%
“…In nearby La Parguera, a distinct MCE fish assemblage was found at similar depths, between 40 and 70 m (Bejarano et al, 2014). Similar trends with depth were found in fish assemblages from eastern Australia, Hawaii, and Brazil (Pearson and Stevens, 2015;Pyle et al, 2016;Rosa et al, 2016), though the depth that a distinct MCE assemblage develops can vary with geographical location (Pinheiro et al, 2016).…”
Section: Fish Assemblagesupporting
confidence: 62%
“…Depth is likely a key driver of assemblage structure 19 , 25 , 37 , 38 and evidence in the mesophotic so far concurs with this paradigm. Bathymetric breaks have been established for the GBR for coral species, including a transition at 60 m between distinct upper and lower mesophotic tropical assemblages 39 and at subtropical latitudes around 50 m 40 .…”
Section: Introductionmentioning
confidence: 70%
“…Bathymetric breaks have been established for the GBR for coral species, including a transition at 60 m between distinct upper and lower mesophotic tropical assemblages 39 and at subtropical latitudes around 50 m 40 . Fish species richness appears to increase to a maximum at 25–30 m, then decreases to 50–65 m 19 , however, these studies did not investigate deeper, to the maximum extent of these light-limited reef environments. Understanding how species richness is distributed across environmental gradients, such as the shallow-to-deep reef transition zone, is key to understanding how species in both zones may respond to future environmental changes.…”
Section: Introductionmentioning
confidence: 91%
See 1 more Smart Citation
“…The advent of baited remote underwater stereo-video (stereo-BRUVs, herein denoted as "BRUVS") represents an alternative, cost-effective approach that has been increasingly used to assess MCE reef fish populations (Pearson and Stevens, 2015;Lindfield et al, 2016). Here, we analyzed BRUVS data collected from 107 sites around the MHI, with the objective of characterizing changes in reef fish community structure from shallow water to mesophotic depths.…”
Section: Introductionmentioning
confidence: 99%