Portada LAJAR.psd - Latin American Journal of Aquatic Research

RESULTS
Taxonomy
Infraorder Anomura MacLeay, 1838
Superfamily Galatheoidea Samouelle, 1819
Family Porcellanidae Haworth, 1825
Megalobrachium mortenseni Haig, 1962
Material examined: 8m, 15f, 28.VIII.2007, Caravelas,
Caravelas River, Farol Abrolhos Iate Clube, St. 2,
MZUESC 989.
Distribution: Western Atlantic: Central America,
West Indies, Colombia, and Brazil (Pará to São
Paulo). Eastern Pacific: Gulf of California to Panama
(Melo, 1999).
Ecological notes: From shallow waters to 30 m,
mainly on rocky bottoms (Melo, 1999). In the study
area it was collected under rocks, rubble, and wood, at
salinity 37.
Previous records in Bahia: Haig (1962), “Harbor of
Bahia” (= Salvador Harbor) (material from Copenhagen
Museum) and Abrolhos; Veloso & Melo
(1993), Prado and Abrolhos.
Megalobrachium roseum (Rathbun, 1900)
Material examined: 1m, 1f, 16.V.2007, Santa Cruz
Cabrália, Coroa Vermelha Beach (reef), MZUESC
876; 1f, 18.V.2007, Santa Cruz Cabrália, Coroa
Vermelha Beach (reef), MZUESC 935; 9m, 14f,
07.III.2008, Santa Cruz Cabrália, João de Tiba River
mouth (reef), MZUESC 1155; 1m, 19.III.2007, Nova
Viçosa, Pontal da Barra Beach, St. 3, MZUESC 832.
Distribution: Western Atlantic: Central America
Colombia, Venezuela, and Brazil (Maranhão to São
Paulo) (Melo, 1999).
Ecological notes: In the intertidal zone in reef
areas. Specimens collected in crevices of dead coral,
under rocks covered by hydrozoans and algae, and
among barnacles in a jetty. Salinity range: 31-39.
Previous records in Bahia: Veloso & Melo (1993),
Itaparica Island (Todos os Santos Bay) and Imbaçuaba
(Prado).
Megalobrachium soriatum (Say, 1818)
Material examined: 1m, 1f, 16.V.2007, Santa Cruz
Cabrália, Coroa Vermelha Beach (reef), MZUESC
873; 2m, 1f, 07.III.2008, Santa Cruz Cabrália, João de
Tiba River mouth (reef), MZUESC 1156.
Distribution: Western Atlantic: North Carolina to
Florida, Gulf of Mexico, Mexico, Central America,
and Brazil (Ceará to São Paulo). Eastern Pacific:
California to Panama (Melo, 1999).
Shallow-water crabs from southern Bahia, Brazil
333
Ecological notes: Shallow waters to 170 m, on
coral, sponges, and calcareous algae (Melo, 1999). In
reefs, under rocks covered with hydrozoans and algae.
Salinity range: 36-39.
Previous records in Bahia: Veloso & Melo (1993),
Abrolhos.
Minyocerus angustus (Dana, 1852) (Fig. 3)
Material examined: 1m, 18.V.2007, Santa Cruz
Cabrália, Coroa Vermelha Beach, MZUESC 936.
Distribution: Western Atlantic: Central America,
Venezuela, Surinam, and Brazil (Pará to Santa
Catarina) (Melo, 1999).
Ecological notes: In shallow waters, on sand
bottoms and associated with the sea-star Luidia
senegalensis (Lamarck, 1816) (Asteroidea: Luidiidae)
(Melo, 1999). The material from Coroa Vermelha
Beach was collected on the tube feet of a specimen of
L. senegalensis, at a salinity of 39 (Fig. 3).
Previous records in Bahia: Veloso & Melo (1993),
Itacuruçá (doubtful locality: Itacuruçá, Rio de
Janeiro?) and Itapagipe Peninsula (Salvador); Almeida
et al. (2007a, 2007b), Camamu Bay and Ilhéus (15-16
m), respectively.
Pachycheles greeleyi (Rathbun, 1900)
Material examined: 1m, 1f, 09.III.2008, Belmonte,
Mojiquiçaba Beach, MZUESC 1187; 1m, 3f,
16.V.2007, Santa Cruz Cabrália, Coroa Vermelha
Beach (reef), MZUESC 874; 1f, 16.V.2007, Santa
Cruz Cabrália, Coroa Vermelha Beach (reef),
MZUESC 875; 1ni, 18.V.2007, Santa Cruz Cabrália,
Coroa Vermelha Beach (reef), MZUESC 937; 4m,
07.III.2008, Santa Cruz Cabrália, João de Tiba River
mouth (reef), MZUESC 1157; 1ni, 19.III.2007, Nova
Viçosa, Pontal da Barra Beach, St. 3, MZUESC 833.
Distribution: Western Atlantic: Brazil (Pará to
Espírito Santo) (Melo, 1999).
Ecological notes: In reefs, under rocks covered by
hydrozoans and algae, in crevices of dead coral, and
among barnacles on a jetty. Salinity range: 31-41.
Previous records in Bahia: Veloso & Melo (1993),
Itaparica Island and Ponta do Mutá (Santa Cruz
Cabrália) (doubtful locality: Ponta do Mutá – Maraú?;
Mutá Beach – Porto Seguro?, near Santa Cruz
Cabrália).
Petrolisthes armatus (Gibbes, 1850)
Material examined: 1f, 02.VIII.2008, Cairú, Boipeba
Island, Moreré Beach, MZUESC 1301; 1m, 1f, 1ni,
11.XI.2006, Maraú, Taipus de Dentro, MZUESC 745;
1f, 13.XI.2006, Maraú, Ponta do Mutá, MZUESC 772;
1f, 16.V.2007, Santa Cruz Cabrália, Coroa Vermelha
Beach (reef), MZUESC 877; 2m, 1f, 08.III.2008, João