FIGURE 3. Alpheus formosus Gibbes, 1850 in First zoeal stage of the snapping shrimps Alpheus formosus Gibbes, 1850 and Alpheus malleator Dana, 1852 (Caridea: Alpheidae), with new characters to the genus

FIGURE 3. Alpheus formosus Gibbes, 1850 (B, C, G, H) and Alpheus malleator Dana, 1852 (A, D–F). Zoea I. Light microscopy (A), Scanning electron microscopy (B–H). A–F. Simple dorsal setae on the pleon (white arrows). G–H. Denticles (black arrows) and spines (black arrowheads) in the posterior margin of the telson. Scale bars: A. 100 µm; B–D, F–H. 10 µm; E. 20 µm.