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Confirmation of the Presence of Janicea Antiguensis (Chace, 1972)

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Confirmation of the Presence of Janicea Antiguensis (Chace, 1972) Nauplius 20(2): 171-178, 2012 171 Confirmation of the presence ofJanicea antiguensis (Chace, 1972) (Decapoda: Barbouriidae) in northeastern and eastern Brazil Bruno W. Giraldes, Petrônio A. Coelho Filho, Petrônio A. Coelho† and Arthur Anker (BWG) (PAC) Laboratório de Carcinologia, Departamento de Oceanografia, Museu Oceanográfico da Universidade Federal de Pernambuco (MOUFPE). Avenida Arquitetura, s/n, Cidade Universitária, 50670-901, Recife, Pernambuco, Brazil. † in memoriam. E-mail: [email protected] (PACF) Departamento de Engenharia de Pesca, Universidade Federal de Alagoas. Avenida Divaldo Suruagy, s/n, Centro, 57200-000, Penedo, Alagoas, Brazil. E-mail: [email protected] (AA) Laboratório de Zoobentos, Instituto de Ciências do Mar (Labomar), Universidade Federal do Ceará. Avenida da Abolição, 3207, Meireles, 60165-081, Fortaleza, Ceará, Brazil. E-mail: [email protected] Abstract The barbouriid shrimp Janicea antiguesis (Chace, 1972) is reported from Porto de Galinhas and Tamandaré in Pernambuco and Guarapari in Espírito Santo, Brazil. These records confirm the presence ofJ. antiguensis in northeastern and eastern Brazil, considerably extending its Brazilian range from Fernando de Noronha to southern Espírito Santo and also representing the first record of this species from mainland coastal reefs. In Brazil, J. antiguensis occurs in or near marine reef caves, typically at depths between 5 and 15 m, and can be most easily observed while scuba diving at night. Colour photographs of J. antiguensis from various Atlantic localities are provided and its colour pattern is compared to that of the closely related Indo-West Pacific barbouriid shrimp,Parhippolyte misticia (Clark, 1989). Some in situ observations are provided for the Porto de Galinhas population of J. antiguensis. Multiple observations of pairs with both individuals brooding embryos at different developmental stages suggest protandric simultaneous hermaphroditism in J. antiguensis. Key words: Caridea, hermaphroditism, marine cave, new records, shrimp. Introduction 1972), Parhippolyte uveae Borradaile, 1899, P. misticia (Clark, 1989), P. cavernicola Wicksten, The marine cave shrimp Janicea 1996 and P. sterreri (Hart and Manning, 1981) antiguensis (Chace, 1972) belongs to the (De Grave and Fransen, 2011). All barbouriid family Barbouriidae Christoffersen, 1987, a shrimps are associated with relatively shallow morphologically relatively homogeneous group marine and anchialine caves and similar of three genera and seven species: Barbouria crevicular habitats (Manning and Hart, 1984; cubensis (von Martens, 1872), B. yanezi Mejía, Wicksten, 1996). Zarza and López, 2008, J. antiguensis (Chace, Janicea antiguensis was originally 172 Giraldes et al.: Presence of Janicea antiguensis in Brazil described by Chace (1972) as Barbouria and Tamandaré (08º47’20”S / 35º06’45”W), antiguensis from Antigua, where it was found Pernambuco, northeastern Brazil, in June at night a meter or so below the water surface 2004 to May 2005, October to November on algae-covered seawalls. Subsequently, J. 2008, and February to March 2011. The antiguensis was recorded from marine caves six specimens of J. antiguensis collected and wall crevices from several localities on manually off Porto de Galinhas in March both sides of the Atlantic Ocean, including 2011 were transported alive to Laboratório Bermuda, Cozumel and Mexico’s Yucatan de Carcinicultura, Universidade Federal Peninsula, São Tomé and Príncipe, Cape Verde, de Alagoas, Penedo, for photography and and Fernando de Noronha off northeastern confirmation of identification using accounts Brazil (Iliffe et al., 1983; Manning and Hart, of Chace (1972: 107) and Manning and 1984; Kensley, 1988; Iliffe, 1993; Ramos- Hart (1984: 657). The Pernambuco material Porto and Coelho, 1993; Hobbs III, 1994; was preserved in 70% ethanol and deposited d’Udekem d’Acoz, 2000; Wirtz, 2004; Coelho in the crustacean collection of the Museu de et al., 2006; Alves et al., 2008). Oceanografia, Departamento de Oceanografia, Over a period of several years (2004– Universidade Federal de Pernambuco, Recife, 2011), approximately 230 individuals of a Pernambuco, Brazil (MOUFPE). Additional caridean shrimp that by its general appearance material from Fernando de Noronha and and colour pattern matched J. antiguesis (cf. Espírito Santo (MZUSP) was also briefly Wirtz and Debelius, 2003) were observed examined. Drawings were made under a stereo- at night inside caves while scuba diving on microscope with the aid of a drawing tube. shallow reefs off Porto de Galinhas, south Carapace length (CL, in mm) was measured of Recife, Pernambuco, northeastern Brazil. with a digital vernier calliper (0.01 mm) from Six specimens of this shrimp were collected the base of the rostrum to the posterior margin in March 2011 and after a morphological of the carapace. examination confirmed to beJ. antiguensis. These specimens confirm the presence of J. antiguensis in Brazil and also constitute the first records of this species for the Brazilian Results mainland and for the state of Pernambuco. In addition, eight individuals of J. antiguensis Systematics were observed during nocturnal dives on the Family Barbouriidae Christoffersen, 1987 reefs of Tamandaré, 40 km south of Porto de Genus Janicea Manning and Hart, 1984 Galinhas. Finally, Peter Wirtz (Universidade Janicea antiguensis (Chace, 1972) do Algarve, Portugal) kindly informed us that (Figs. 1, 2A–D) a specimen of J. antiguensis from Guarapari, Espírito Santo, was deposited in the collections Barbouria antiguensis Chace, 1972: 107, of Museu de Zoologia da Universidade de figs. 41–42; Hobbs III, 1978: 99; Hart and São Paulo, São Paulo, Brazil (MZUSP), Manning, 1981: 441; Iliffe et al. 1983: 141. representing the southern-most record of this Janicea antiguensis – Manning and Hart, species in the southwestern Atlantic Ocean. 1984: 657, fig. 2; Kensley, 1988: 698; Hobbs III, 1994: 98; d’Udekem d’Acoz, 2000: 1163, fig. 1; Wirtz, 2004: 84; Coelho et al., 2006: 53; Mejía-Ortiz et al., 2006: 13; Alves et al., Material and Methods 2008: 50. The nocturnal visual surveys were Material examined: Brazil. 2 non- conducted on the reefs off Porto de Galinhas ovigerous specimens (CL 7.7 and 9.74 mm), (08º30’00” - 08º33’33”S / 35º00’27” - 34º59’00”W) 4 ovigerous specimens (CL 10.50–11.86 Nauplius 20(2): 171-178, 2012 173 second pleopod with appendix masculina longer than appendix interna. Gill/exopod formula: six epipods (on coxae of Mxp2, Mxp3, P1–4); five pleurobranchs (above P1– 5); two arthrobranchs (Mxp3); 1 podobranch (Mxp2). Colour pattern: Carapace, abdomen and tail fan semi-transparent, with some red or orange-red chromatophores present between pleopods and walking legs; each pleuron with relatively narrow, red band running Figure 1. Janicea antiguensis (Chace, 1972) from reef caves off Porto de Galinhas, Pernambuco, northeastern transversely along posterior margin, but not Brazil, anterior part of the body of two specimens extending to ventral margin; third to fifth (MOUFPE 15014): (A) non-ovigerous specimen (CL abdominal segments also with small patch of 7.7 mm); (B) ovigerous specimen (CL 11.12 mm). white chromatophores dorsally; antennular and antennal peduncles semi-transparent, with mm), Pernambuco, off Porto de Galinhas, reddish lateral margins, lateral antennular and 08º30’00”–08º33’33”S / 34º59’00”–35º00’27”W, antennal flagella reddish; mesial antennular marine reef, on cave walls and roofs, depth flagella mostly whitish with some red colour; 5–10 m, leg. B.W. Giraldes et al., 17 March third maxilliped and first and second pereiopods 2011, MOUFPE 15014, MOUFPE 15015; reddish; third to fifth pereopods mostly white, 1 ovigerous female (CL not measured), with some reddish chromatophores proximally; Guarapari, Espírito Santo, leg. P. Wirtz, telson and uropods semi-transparent, with vi.2006, depth 30 m, MZUSP 17014; 1 non- reddish margins; fresh eggs pale olive-green ovigerous specimen and 1 ovigerous specimen (Fig. 2A). Individuals kept in aquariums (CL not measured), Fernando de Noronha, with artificial lighting (photoperiod 12:12 h) vii.1969, MZUSP 8967 (P.A. Coelho det. displayed essentially the same colour pattern as Barbouria antiguensis). individuals observed in situ in semi-dark caves. The individuals from Espírito Santo, Cape Diagnosis (modified from Manning and Verde and Canary Islands are very similar Hart, 1984): Carapace with antennal and in the general colour pattern (Figs. 2B–D), branchiostegal teeth; rostrum slender, about although freshly laid eggs tend to be yellow five times as long as high, short, extending in the eastern Atlantic individuals (Figs. 2C, to about end of basal article of antennular D) and not green as in some western Atlantic peduncle, with three to four dorsal (one or two individuals, e.g., those from Pernambuco (Fig. postorbital) teeth and one ventral tooth. Eyes 2A). large, well-pigmented, cornea broader than eyestalk. Anterior four pleura rounded, fifth Distribution: Amphi-Atlantic (Fig. 3); pleuron acute posteroventrally. Telson with two Eastern Atlantic: São Tomé and Príncipe pairs of dorsal spines and three pairs of terminal (Wirtz, 2004); Cape Verde Islands (d’Udekem spines, mesial spines longest. Mandible lacking d’Acoz, 2000); Canary Islands (based on incisor process, with three-jointed palp. coloured photographs, Fig. 2C; see also Wirtz, First and second pereopods chelate; merus, 2004); Western Atlantic: Antigua (Chace, carpus, and propodus of second pereopod 1972); Bermuda (Hart
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