Damien Olivier

Universidad Autónoma de Baja California Sur

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ÉP

Éric Parmentier

University of Liège

Héctor Reyes‐Bonilla

Universidad Autónoma de Baja California Sur

Bruno Frédérich

University of Liège

Manuel Olán‐González

Universidad Nacional Autónoma de México

Andrea Arriaga

Universidad de Costa Rica

Luis Chasqui

José Benito Vives de Andréis Marine and Coastal Research Institute

Alexia Dubuc

James Cook University

Juan José Alvarado

Universidad de Costa Rica

Tatiana Araya‐Arce

Universidad de Costa Rica

Johanna Segovia

Francisco Gavidia University

Cooperative Institutions

Ecological Society of America

Universidad Autónoma de Baja California Sur

Instituto Politécnico Nacional

Centre National de la Recherche Scientifique

Universidad Nacional Autónoma de México

University of Liège

Pronatura Noroeste

Centro de Investigaciones Biológicas Margarita Salas

Michigan State University

Universidad Autónoma de Baja California

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Comparison of the adductor mandibulae and jaw lever mechanisms between three damselfishes (Pomacentridae)

Damien Olivier Bruno Frédérich Éric Parmentier

Pomacentridae

Lever

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Author response for "Patterns of reef fish taxonomic and functional diversity in the Eastern Tropical Pacific"

Alexia Dubuc Juan P. Quimbayo Juan José Alvarado Tatiana Araya‐Arce Andrea Arriaga

Tropical marine climate

Tropical Eastern Pacific

10.1111/ecog.06536/v3/response1

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Ecotourism impacts on reef fishes in a marine reserve during the COVID‐19 era

Frontiers in Ecology and the Environment (2023)

Manuel Olán‐González Héctor Reyes‐Bonilla Isabel Montserrat Arreola-Alarcon Regina Valdovinos Uribe Damien Olivier

Marine reserves generally permit ecotourism within their boundaries as a source of income for local communities, but the impacts of ecotourism on wildlife are still poorly understood. The lockdown resulting from the COVID‐19 pandemic in 2020 provided a unique opportunity to evaluate wildlife diversity in the absence of human activity. In a marine reserve in Mexico, we monitored fish assemblages before, during, and immediately after the lockdown to examine ecotourism impacts on fish assemblages. Our results show that fish density rose 2.5‐fold during the lockdown, suggesting that ecotourism activities alter fish behavior. We suggest that the presence of divers and noise pollution generated by recreational vessels are important disturbance factors. In the absence of human activity, however, some fish may be more bold (hide less often) or may return to the reserve after having retreated to more tranquil (deepwater) areas. We hope that our findings spur efforts to improve the health of marine reserves through the establishment of effective management strategies to mitigate ecotourism impacts.

Marine reserve

10.1002/fee.2657

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Citations (3)

Kinematic analysis of swimming ontogeny in seabass (Dicentrarchus labrax)

Belgian journal of zoology (2024)

Damien Olivier Quentin Mauguit N. Vandewalle Éric Parmentier

Swimming has been investigated in multiple species, but few studies consider the establishment of swimming through ontogeny. This study describes the establishment of cyclical swimming in Dicentrachus labrax, a marine fish from cold, temperate waters. The data were compared with results from previous studies on two subtropical freshwater catfish species (Clarias gariepinus and Corydoras aeneus). The three species have different modes of locomotion each during their adult stage (anguilliform, subacarangiform and carangiform). The swimming of Dicentrarchus labrax was recorded with a high-speed video camera (500 fps) from 0 to 288 hours and from 960 to 2496 hours post-hatching. Three indices, i.e. coefficient of determination (r²), coefficient of variation (CV), and Strouhal number (St), were used to investigate the establishment and efficiency of swimming. Important differences in the timing of swimming establishment were observed between the seabass and the two catfish species. The two catfish species display a sine-shaped swimming mode immediately or soon after hatching, and the efficiency of movement substantially improves during the first days of life. For seabass, however, establishment of swimming is slower during the same developmental period. These differences may be related to a faster developmental rate in the catfishes that allows them to swim rapidly in an intermediate regime flow and to develop the required morphology to establish efficient movements earlier.

Dicentrarchus

10.26496/bjz.2013.125

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Citations (8)

Evolution and diversity of ram-suction feeding in damselfishes (Pomacentridae)

Organisms Diversity & Evolution (2017)

Damien Olivier Laura Gajdzik Éric Parmentier Bruno Frédérich

Pomacentridae

Trait

10.1007/s13127-017-0329-3

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Citations (8)

Trophic Ecology of Damselfi shes

CRC Press eBooks (2016)

Bruno Frédérich Damien Olivier Laura Gajdzik Éric Parmentier

Resources (e.g., food and habitat) partitioning may be viewed as one of the key factors in the diversifying process, promoting the coexistence of closely related and ecologically equivalent species (Colwell and Fuentes 1975). The trophic niche is defi ned as the place of an organism in the environment in relation to its food (Silvertown 2004). Generally speaking, the trophic ecology of coral reef fi shes has been broadly studied. For instance, extensive evidences of trophic adaptations and a great diversity of diets were highlighted in Labridae (Wainwright 1988, Wainwright et al. 2004) and Chaetodontidae (Motta 1988, Pratchett 2007).

10.1201/9781315373874-15

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Citations (8)

Patterns of reef fish taxonomic and functional diversity in the Eastern Tropical Pacific

Ecography (2023)

Alexia Dubuc Juan P. Quimbayo Juan José Alvarado Tatiana Araya‐Arce Andrea Arriaga

A core challenge in ecology is identifying the factors that determine species distribution and functional diversity of species assemblages. Reef fish are the most diverse group of vertebrates, form taxonomically rich and functionally diverse communities and represent a key source of food for humans. We examine regional distribution patterns of reef fish species richness and functional diversity and investigate how these are determined by historical, biogeographic, energetic, and anthropogenic factors. We compiled data from 3,312 underwater visual censuses performed at 122 locations comprising rocky and coral reefs along the Eastern Tropical Pacific (ETP). We used generalized linear mixed‐effects models (GLMMs) implemented in a Bayesian framework to investigate whether distance from quaternary refugia, distance from mainland, shelf area, primary productivity, sea surface temperature (SST), human population gravity, and conservation status influence reef fish species richness and functional diversity in the ETP. Species richness and functional richness (FRic) peaked towards the center of the ETP and our null model suggests that FRic followed a spatial pattern that would be predicted by species richness. Additionally, functional evenness (FEve) was highest at higher latitudes whereas functional dispersion (FDis) was homogeneous throughout the ETP. Species richness was negatively influenced by shelf area and distance from mainland, but positively influenced by SST and conservation status. FEve was influenced by human population gravity and FDis by shelf area. Reef fish species richness and functional diversity in the ETP exhibited a strong division within the region mainly mediated by SST and human population gravity. Our results also suggest that dominant species within small shelf areas share more common traits than dominant species in large areas. This study uncovers previously unknown regional patterns of reef fish functional diversity and provides new insights into how historical, biogeographic, energetic, and anthropogenic factors influence complementary biodiversity facets.

Coastal fish

10.1111/ecog.06536

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Citations (9)

[Wire suture or mini-plate--follow-up examinations of dislocated zygomatic fractures].

PubMed (1977)

J Düker F Härle Damien Olivier

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Multidecadal changes in fish composition and traits diversity in a marine park in the Gulf of California

Biodiversity and Conservation (2022)

Damien Olivier Héctor Reyes‐Bonilla Romeo Saldívar‐Lucio

Marine reserve

10.1007/s10531-022-02484-9

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Citations (5)

Raw data and R Script: Bleaching coral event due to cold waters in the Gulf of California: effect on Pocillopora cryptofauna

Zenodo (CERN European Organization for Nuclear Research) (2023)

Damien Olivier

R script code and raw data to reproduce the analyses made in the study "Bleaching coral event due to cold waters in the Gulf of California: effect on Pocillopora cryptofauna" published in Coral Reefs (10.1007/s00338-023-02422-3).

Coral bleaching

10.5281/zenodo.8335530

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