Lysmata ankeri Rhyne & Lin, 2006

Giraldes, Bruno Welter & Freire, Andrea Santarosa, 2015, Extending the southern range of four shrimps (Crustacea: Decapoda: Stenopodidae, Hippolytidae and Alpheidae) in southwestern Atlantic (27 S) and confirming the presence of Mediterranean Stenopus spinosus Risso, 1827 in Brazil, Zootaxa 3972 (3), pp. 419-431 : 424-428

Lysmata ankeri Rhyne & Lin, 2006

( Figure 6 )

References. Rhyne & Lin 2006:179, Figure 7–9, Plates 1C, 2; Calado 2008.

Material examined. 1 ovigerous female, (TL: 43mm); 11Jun.2013, Porto Belo Island-SC, 6m, 27°08'07.82''S 48°32'20.98''W over rocks during night dive ( LCP /UFSC-086). 7 individuals, 25May2014 (TL: 33mm, 22,5mm, 19,7mm, 19mm, 18,5mm, 15mm and 13mm), Calhau de São Pedro Island-SC, 20m, hidden in a moored current profiler ( ADCP), 27°25'37.39''S 48°40'11.15''W, ( LCP /UFSC-089).

Material observed. 326 individuals in cavities mainly at interface between rock and sand; being 30 individuals, 19 Mar. 2014, Rancho Norte site at Arvoredo Island-SC, 8m, 27°16'62.6''S 48°22'48.1''W; 10 individuals, 24 Mar. 2014, Saco do Capim site at Arvoredo Island-SC, 12m 27°17'16.2''S 48°22'45.1''W; 28 individuals 25 Mar. 2014, Deserta Island-SC, 12m, 27°16'62.6''S 48°19'91.5''W; 4 individuals, 26 Mar. 2014, Saco D’agua site at Arvoredo Island-SC, 12m, 27°16'47.4''S 48°22'00.4''W; 12 individuals, 27 Mar. 2014, Baia do Farol at Arvoredo Island-SC, 10m, 27°17'74.6''S 48°21'66.7''W; 68 individuals, 04Apr.2014, north side at Galé Island- SC, 8m 27°10'66.4''S 48°24'40.1''W; 92 individuals, 05Apr.2014, south side of Galé Island-SC, 9m, 27°10'88.7''S 48°24'61.5''W; 20 individuals 06Apr.2014, South side of Deserta Island-SC, 11m, 27°16'30.9''S 48°19'36.2''W; 62 individuals, 09Apr.2014, Aranhas Island-SC, 8m, 27°29'19.9''S 48°21'90.1''W.

Distribution. Atlantic species; Southeastern U.S.; Florida: north to Pompano Beach, rare in Florida Bay; Caribbean: Haiti, Venezuela, Panama, Surinam, and French Guyana; and at the eastern Brazilian coast from Bahia (12o S) to Rio de Janeiro (22o S).

Remark. The present record (27o S) extends the species range 800 km towards the south in the western Atlantic.

Figures

FIGURE 6. Lysmata ankeri Rhyne & Lin, 2006. (A) Lateral view with natural colour pattern; (B) dorsal view with natural posture and colour pattern; (C) close-up of carapace lateral view highlighting proportions and features of rostrum, carapace and antennular segments; (D) close-up of carapace dorsal view highlighting the spines in carapace and the proportion of rostrum, antennular peduncle and antennular scale; (E) alive animals in cavities, highlighting the bright neon V shape observed in field; (F) left second pereiopod with 36 segments on carpus. Scale bars: a, b 1 cm; c, d, e 5 mm.