Berthella agassizi ( MacFarland, 1909 )

Delgado, Marlon, Freire, Fúlvio Aurélio de Morais, Meirelles, Carlos Augusto Oliveira de, Padula, Vinicius, Bahia, Juliana & Brandão, Simone Nunes, 2022, Sea slugs (Gastropoda: Heterobranchia) from Rio Grande do Norte, Northeastern Brazil, Papéis Avulsos de Zoologia 62, pp. 1-26 : 10-12

17. Berthella agassizi ( MacFarland, 1909) ( Fig. 3B )

Material examined: Praia de Santa Rita, Extremoz , 11.III.2009, one specimen, 11 mm (body length), leg. V. Padula ( MZSP 97047 ). Praia de Pirambúzios (mangrove), Nísia Floresta, 13.III.2009, two specimens, 6-9 mm (body length), leg. V. Padula ( MZSP 97066 ; GEEFAA 269 ). Praia de Baia Formosa, Baia Formosa, 04.VI.2009, two specimens, 13-15 mm (body length), leg. M. Delgado ( MZSP 97067 ; GEEFAA 333 ) ; Praia de Pitangui, Extremoz , 20.I.2019, one specimen, 10 mm (body length), leg. M. Delgado ( GEEFAA 1309 ) .

Description: Oval body, up to 25 mm in length. Pinkbrownish coloration with numerous white spots on the oval-shaped notum. Whitish-grayish coloration mid-dorsally due to visceral mass under the internal shell. Presence of a sub-trapezoidal veil, one pair of retractile, lobulated rhinophores. Gills in the right side of the body. Muscular foot projected posteriorly, but covered by the notum.

Geographic distribution: Eastern Pacific: Mexico ( Gosliner & Bertsch, 1988); Western Atlantic: Bahamas, Belize, Bermuda, Colombia, CuraÇao, Brazil (Alagoas, Espírito Santo, Pernambuco, Rio de Janeiro, Rio Grande do Norte, São Paulo and Santa Catarina) ( MacFarland, 1909; García et al., 2008; Padula et al., 2012; Alvim & Pimenta, 2015).

Figures

Figure 3. Heterobranchsea slugsfrom Rio Grandedo Norte.(A) Phyllaplysiaengeli (6mm – GEEFAA342);(B)Berthela agassizii(11mm –MZSP 97047);(C) Berthella nebula (7 mm– GEEFAA 1307);(D)Berthella vialactea(14mm – GEEFAA 304);(E) Berthellinaignis (10 mm– GEEFAA 335);(F) Cadlina rumia(10mm – GEEFAA311); (G) Felimida clenchi (9 mm – MZSP 97070); (H) Felimare sp. (13 mm – GEEFAA 313); (I) Tyrinna evelinae (18 mm – GEEFAA 1305); (J) Diaulula greeleyi (20 mm – GEEFAA 259a); (K) Discodoris branneri (70 mm – MZSP 97063); (L) Geitodoris pusae (14 mm – GEEFAA 338); (M.1) Sclerodoris prea (33 mm – GEEFAA 1314); (M.2) Sclerodoris prea (35 mm – GEEFAA1314); (N) Taringa iemanja (25 mm – MZSP 97062);(O) Taringa telopia (18 mm – MZSP 97071).