First Record of the Beach-Hopper Speziorchestia tucurauna (Crustacea: Amphipoda) in the Oceanic Island of Fernando de No
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First Record of the Beach-Hopper Speziorchestia tucurauna (Crustacea: Amphipoda) in the Oceanic Island of Fernando de Noronha, Northeastern Brazil Tammy Iwasa-Arai 1,2 & Juliana Lopes Segadilha 3 Silvana Gomes Leite Siqueira 1
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Thaiana Garcia Almeida Rodrigues 3,4
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Received: 5 August 2020 / Revised: 25 August 2020 / Accepted: 7 September 2020 # Springer Nature Switzerland AG 2020
Abstract The beach-hopper Speziorchestia tucurauna (Müller 1864) is reported for the first time from Fernando de Noronha Archipelago. This is the second record of S. tucuraunafrom an oceanic island, which has been reported from Rocas Atoll, and the first record of Talitridae for the island. Seven beaches along the island were surveyed, and S. tucurauna was reported only for Sueste beach. The brackish environment provided by the unique oceanic mangrove of the South Atlantic located at Sueste beach may favor the species survival during the dry season. Keywords Geographic distribution . Mangrove . New record . South Atlantic
Introduction The superfamily Talitroidea comprises seven families and 117 genera (Myers and Lowry 2020), subdivided into categories according to their habitats, and include marsh-hoppers, beachhoppers, driftwood-hoppers, sand-hoppers, forest-hoppers, ground-hoppers, moss-hoppers, field-hoppers, riparian-hoppers, and cave-hoppers (Lowry and Myers 2019). The recently described genus Speziorchestia Lowry and Myers 2019, with five species, is recognized by slender peduncular articles on antenna 2, reduced article 4 on the maxillipedal palp, propodus of gnathopod 1 subtriangular
* Tammy Iwasa-Arai [email protected] 1
Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, SP 13083-970, Brazil
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Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, SP 13083-970, Brazil
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Museu Nacional, Departamento de Invertebrados, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista s/n, Rio de Janeiro, RJ 20940-040, Brazil Programa de Pós-Graduação em Zoologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista s/n, Rio de Janeiro, RJ 20940-040, Brazil
with well developed posterodistal lobe, pleopods well developed, and outer ramus of uropod 1 with marginal robust setae in one row (Lowry and Myers 2019). Speziorchestiais well adapted to different environments, including species of marshhoppers, beach-hoppers, field-hoppers and riparian-hoppers, with a distribution along the Atlantic Ocean (Azores, Canary islands, North America and Brazil) and in the Mediterranean (Bousfield 1973; Stock and Boxshall 1989; Bellan-Santini 1993; Serejo 2004). Speziorchestia tucurauna (Müller 1864) is native to Brazil and the only species of the genus to be found there. The species is widely distributed along the coast (Serejo and Siqueira 2018). In addition, it occurs on the oceanic Rocas Atoll, 250 km off the northeast coast (Serejo 2004; Paiva et al. 2007), and endemic to Brazil up to date. Here we report
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