Flyingfish (Exocoetidae) species diversity and habitats in the eastern tropical Pacific Ocean

Eric A. Lewallen, Andre J van Wijnen, Carolina A. Bonin, Nathan R. Lovejoy

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Flyingfishes are large enough to eat zooplankton, small enough to be consumed by top predators, and therefore form a central mid-trophic component of tropical epipelagic marine food webs. Characterizing patterns of flyingfish abundance, distribution, and habitat preference has important implications for understanding both localized and generalized functions of marine ecosystems. The eastern tropical Pacific Ocean (ETP) supports many flyingfish species and their predators, yet no studies to date have identified oceanographic factors that define flyingfish habitats or estimate species richness and diversity at broad taxonomic and geographic scales. In this study, we analyzed 11,125 flyingfish representing 25 species and all seven named genera, collected from the ETP over a 21-year period. We applied spatially explicit analysis methods (ARCGIS, DIVA-GIS, MAXENT) and compared specimen locality data to remotely sensed oceanographic data and previously described oceanographic partitions. Our results show that Exocoetus is the most abundant genus (49%) and E. monocirrhus the most abundant species (32%) of flyingfishes in the ETP. Mean sea surface temperature was most important for defining flyingfish habitats (19.2–41.7%) and species richness (highest in the North Equatorial Current). Additionally, flyingfish species diversity was found to be highest in coastal regions of the study area (Shannon indices > 1.5). Together, these results provide unprecedented characterizations of a mid-trophic epipelagic community in an economically valuable region during a time when sea surface temperatures are predicted to increase as a result of global climate change.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalMarine Biodiversity
DOIs
StateAccepted/In press - Mar 9 2017

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Exocoetidae
Pacific Ocean
species diversity
ocean
habitat
sea surface temperature
species richness
habitats
predator
marine ecosystem
habitat selection
food web
global climate
zooplankton
GIS
surface temperature
climate change
predators
habitat preferences
food webs

Keywords

  • Epipelagic
  • Habitat model
  • Maximum entropy
  • Species distribution model

ASJC Scopus subject areas

  • Oceanography
  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

Cite this

Flyingfish (Exocoetidae) species diversity and habitats in the eastern tropical Pacific Ocean. / Lewallen, Eric A.; van Wijnen, Andre J; Bonin, Carolina A.; Lovejoy, Nathan R.

In: Marine Biodiversity, 09.03.2017, p. 1-11.

Research output: Contribution to journalArticle

Lewallen, Eric A. ; van Wijnen, Andre J ; Bonin, Carolina A. ; Lovejoy, Nathan R. / Flyingfish (Exocoetidae) species diversity and habitats in the eastern tropical Pacific Ocean. In: Marine Biodiversity. 2017 ; pp. 1-11.
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