Fig. 1

a–d Aplysia brasiliana morphotype. a Background greenish and/or brownish with few yellowish patches around the body and parapodium. b Parapodium end a small pore (p) covered by a papilla. c The edge of the siphon (s1). d Oral tentacles. e–h Aplysia aff brasiliana morphotype. e Background black, gray or dark reddish with predominant white spots scattered throughout the mantle and parapodium. f Parapodia. g The edge of the siphon (s2). h Oral tentacles