Elacatinus atronasus

Elacatinus atronasus is a species of ray-finned fish in the family Gobiidae which is endemic to a single reef in Exuma Sound in the Bahamas.[1] It is a species associated with a coral reefs but unlike many other species in the genus Elacatinus it does not engage in cleaning behaviour, feeding instead on particulate zooplankton. It occurs in large, mixed groups in the vicinity of vertical faces which have plentiful holes and near undercut ledges. It forms schools above the sea floor where has been recorded as remaining stationary, hovering above corals by day, resting on the coral during the night. Its reproductive behaviour is unknown. The IUCN assess Elacatinus atronasus as endangered due to its restricted range and the perceived vulnerability of this species to predation by the invasive lionfish, Pterois miles and Pterois volitans.[1]

Elacatinus atronasus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Family: Gobiidae
Genus: Elacatinus
Species:
E. atronasus
Binomial name
Elacatinus atronasus
(Böhlke & Robins, 1968)
Synonyms[2]
  • Gobiosoma atronasum Böhlke & Robins, 1968
  • Elacatinus atronasum (Böhlke & Robins, 1968)

References
  1. Pezold, F.; van Tassell, J.; Tornabene, L.; Aiken, K.A. & Bouchereau, J.-L. (2015). "Elacatinus atronasus". The IUCN Red List of Threatened Species. 2015: e.T185977A1797817. doi:10.2305/IUCN.UK.2015-2.RLTS.T185977A1797817.en.
  2. Froese, Rainer and Pauly, Daniel, eds. (2018). "Elacatinus atronasus" in FishBase. June 2018 version.
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