Gillellus uranidea

The warteye stargazer (Gillellus uranidea) is a species of sand stargazer native to the Atlantic coast of southwestern Florida, United States, and in the Caribbean Sea from the Bahamas and the coast of Central America to Panama where it can be found in sandy areas on reefs or among rocks. It is an ambush predator, burying itself nearly completely in the sand and waiting for prey items to come along. It can reach a maximum length of 5 cm (2.0 in) TL.[2]

Gillellus uranidea
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Blenniiformes
Family: Dactyloscopidae
Genus: Gillellus
Species:
G. uranidea
Binomial name
Gillellus uranidea
Biofluorescence of Gillellus uranidea (top view)

The warteye stargazer exhibits biofluorescence, that is, when illuminated by blue or ultraviolet light, it re-emits it in the yellow-red range, and appears differently than under white light illumination (see image to the right). Biofluorescence may assist in intraspecific communication and camouflage.[3]

References
  1. Williams, J.T. (2014). "Gillellus uranidea". IUCN Red List of Threatened Species. 2014: e.T46104173A48350258. doi:10.2305/IUCN.UK.2014-3.RLTS.T46104173A48350258.en.
  2. Froese, Rainer and Pauly, Daniel, eds. (2013). "Gillellus uranidea" in FishBase. April 2013 version.
  3. Sparks, John S.; Schelly, Robert C.; Smith, W. Leo; Davis, Matthew P.; Tchernov, Dan; Pieribone, Vincent A.; Gruber, David F. (2014). "The Covert World of Fish Biofluorescence: A Phylogenetically Widespread and Phenotypically Variable Phenomenon". PLOS ONE. 9 (1): e83259. Bibcode:2014PLoSO...983259S. doi:10.1371/journal.pone.0083259. PMC 3885428. PMID 24421880.


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