Pešić et al. 2012

scientific article | Zootaxa

A new species of Pontarachna (Acari, Hydrachnidia, Pontarachnidae) from a mesophotic coral ecosystem off Vieques Island, Puerto Rico, Caribbean Sea

Pešić V, Chatterjee T, Schizas NV

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The water mite family Pontarachnidae Koenike, 1910, the only family of the Hydrachnidia occurring in the marine environment, represents a diverse and widespread, but still neglected group of marine meiofauna. Most marine species live nearshore with the exception of few freshwater species found in estuaries or locations near the sea (Smit 2002; Smit & Alberti 2010). In this paper we describe a new species, Pontarachna nemethi, from substrata collected from El Seco, a mesophotic site near Vieques Island off Puerto Rico, from 52–67 m depth, more than 2 times the depth at which Pontarachnidae have been previously collected. The finding of the new species remarkably extended the potential area of the world ocean occupied by the Pontarachnidae.

Research sites

Pesic 2012a
Meta-data (pending validation)
Depth range
52- 67 m

Mesophotic “mentions”
10 x (total of 1598 words)

Biodiversity Taxonomy

Research focus
Other invertebrates

Puerto Rico

Research platforms
Diving - Technical Rebreather

Reports new species
Author profiles
Nikolaos Schizas ( 17 pubs)