(Figures 12, 13)
Hippolysmata moorei Rathbun, 1901: 115, fig. 23.
Lysmata moorei— Christoffersen 1998: 351; Coelho Filho 2006: 10.
Hippolysmata wurdemanni— Rathbun 1900: 153 [not L. wurdemanni (Gibbes, 1850)].
Lysmata wurdemanni— Coelho et al. 2006: 121, tab. 3 (partim, Paraíba record) [not L. wurdemanni (Gibbes, 1850)].
Material examined. 2 ov. specimens (pocl 8.2, 7.7 mm), MZUSP 32298, Brazil, Espírito Santo, Trindade Island, Farol, Enseada dos Portugueses, 20º29’52.3’’S 29º19’15.6’’W, coll. J.B. Mendonça Jr., 02.iv.1999; 1 non-ov. specimen (pocl 6.3 mm), MZUSP 34361, Brazil, Espírito Santo, Guarapari, Escalvada Island, depth 15 m, coll. J.L. Gasparini, 19.i.1997; 2 ov. specimens (pocl not measured), MNRJ (possibly lost in fire, see below), Brazil, Atol das Rocas, Ilha do Cemitério, in tide pools, coll. P.S. Young, Paiva, P.C. & Aguiar, A.A., 13.x.2000; 3 non-ov. specimens (pocl 2.8, 2.9, 4.3 mm), OUMNH. ZC.2012-07-0019, São Tomé & Príncipe, São Tomé, Praia das Conchas, shallow subtidal, under rocks covered with mud, depth 0–1 m, coll. A. Anker, 15.ii.2006 [fcn 06-235]; 1 non-ov. specimen (pocl 4.7 mm), OUMNH. ZC.2012-07-0022, same collection data as for previous specimens [fcn 06-232]; 1 ov. specimen (pocl 5.6 mm), OUMNH. ZC.2012-07-0021, same collection data as for previous specimens [fcn 06-233].
First record for Brazil. Paraíba (Rathbun 1900, as H. wurdemanni).
Distribution. Western Atlantic: Bermuda to Brazil (Ceará, Paraíba and Espírito Santo, Atol das Rocas) (Rathbun 1900, as H. wurdemanni; Chace 1972; Christoffersen 1998; Coelho Filho 2006; present study) (Fig. 16). Central Atlantic: Ascension Island, St. Helena (Manning & Chace 1990; De Grave et al. 2019). Eastern Atlantic: Cape Verde, São Tomé & Príncipe, Gabon (Wirtz et al. 2016; present study).
Remarks. Lysmata moorei is a rare species in Brazil, previously reported from the country only twice (Rathbun 1900, as H. wurdemanni; Coelho Filho 2006). Among other Brazilian species, L. moorei can be readily recognised by the long accessory ramus of the antennule, consisting of seven or more free subdivisions (Fig. 13E; Rathbun 1901: fig. 23a). Although L. moorei may represent a species complex (Anker & Cox 2011; De Grave & Anker 2017), our material from Espírito Santo (MZUSP), Atol das Rocas (MNRJ material possibly lost in the fire in 2018, Dr. I. Cardoso, pers. comm.) and São Tomé (OUMNH) agrees well with the superficial description and illustrations provided by Rathbun (1901). The colour pattern of the eastern Atlantic specimens of L. moorei is herein illustrated for the first time (Fig. 12), also showing some intraspecific variation.