Desis is a genus of intertidal spiders that was first described by Charles Athanase Walckenaer in 1837. Species of the genus are found in Australasia, the Pacific, Japan, eastern and southern Africa, and India. They are marine spiders, living in the intertidal zone and only emerging at the ebb tide to hunt for invertebrates including shrimp. When submerged during high tides, they stay in an air chamber sealed with silk, and breathe its air.
Species , this genus includes fifteen species:
Desis bobmarleyi Baehr, Raven & Harms, 2017 – Australia (Queensland) Desis crosslandi Pocock, 1903 – Tanzania (Zanzibar), Madagascar, Comoros, Mayotte Desis formidabilis (O. Pickard-Cambridge, 1891) – Namibia, South Africa Desis galapagoensis Hirst, 1925 – Galapagos Desis gardineri Pocock, 1904 – India (Laccadive Is.) Desis inermis Gravely, 1927 – India Desis japonica Yaginuma, 1956 – Japan Desis jiaxiangi Lin, Li & Chen, 2020 – China Desis kenyonae Pocock, 1902 – Australia (Victoria, Tasmania) Desis marina (Hector, 1878) – New Caledonia, New Zealand (mainland, Chatham Is.) Desis martensi L. Koch, 1872 – Singapore, Indonesia (Java) Desis maxillosa (Fabricius, 1793) – New Guinea, New Caledonia (type species) Desis risbeci Berland, 1931 – New Caledonia Desis tangana Roewer, 1955 – East Africa Desis vorax L. Koch, 1872 – Samoa
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