Sea slugs (Gastropoda: Heterobranchia) from Rio Grande do Norte, Northeastern Brazil Author Delgado, Marlon Author Freire, Fúlvio Aurélio de Morais Author Meirelles, Carlos Augusto Oliveira de Author Padula, Vinicius Author Bahia, Juliana Author Brandão, Simone Nunes text Papéis Avulsos de Zoologia 2022 2022-11-01 62 1 26 http://dx.doi.org/10.11606/1807-0205/2022.62.063 journal article 10.11606/1807-0205/2022.62.063 1807-0205 7617672 28. Sclerodoris prea (Ev. Marcus & Er. Marcus, 1967) ( Fig. 3M . 1 and 3M . 2 ) Material examined: Praia de Baia Formosa , Baia Formosa , 05.VII.2009 , one specimen , 12 mm (body length), leg. M. Delgado ( MZSP 97037). Praia de Pitangui, Extremoz, 12.I.2019 , two specimens , 33-35 mm (body length), leg. M. Delgado ( GEEFAA 1314). Description: Body flat and elliptical, light brown, with three longitudinal rows of large, dark brown spots,smaller, brown spots randomly distributed on the notum. Anteriorly, eyes covered by the notum, lamellate elongated light brown rhinophores. Gills translucent white with small, opaque, white spots. Medially, notum with small, rounded tubercles variable in size, with two sulci externally. Posteriorly, six retractile, foliated gills around the anus. Foot narrower than notum. Ventrally, body opaque white with small spots. Geographic distribution: Western Atlantic: Bahamas , Barbados , Guadeloupe , Jamaica , Panama , USA , Venezuela , Brazil ( Rio Grande do Norte – present study) (Ev. Marcus & Er. Marcus,1967b ; Valdés et al., 2006 ; Gutiérrez et al., 2015 ). Remarks: First record from the South Atlantic Ocean.