FIGURE 6. Leptalpheus forceps Williams, 1965 in First known occurrence of the alpheid shrimps Leptalpheus forceps Williams, 1965 and L. marginalis Anker, 2011 (Decapoda: Caridea) in the state of Pará, Amazon region, Brazil

FIGURE 6. Leptalpheus forceps Williams, 1965 from the Ajuruteua Peninsula in the Bragança region of the state of Pará, Amazon region, northern Brazil. (A) ♂ specimen (CL=4.54 mm; TL=11.42 mm); (B) ♂ specimen (CL=2.4 mm; TL=6.28 mm); (C) ♂ specimen (CL= 3.18 mm; TL=8.36 mm); (D) ♂ specimen (CL=3.54 mm; TL=10.04 mm): (A–D) major cheliped, details of chela fingers, lateral view. Scale bars=0.5 mm.