FIGURE 4. Grandidierella bonnieroides Stephensen, 1948 in Grandidierella bonnieroides Stephensen, 1948 (Amphipoda, Aoridae) — first record of an established population in the Mediterranean Sea

FIGURE 4. Grandidierella bonnieroides Stephensen, 1948, Haifa Bay, Israel, male: A, yg male (<2.5 mm) gnathopod 1 (inner face); B, mature male (MZPA-AMPH-0008m) (3.3 mm) right gnathopod 1 with detail of anterior margin of carpus without stridulating ridges (inner face); C, same individual, left gnathopod 1 with detail of posterior margin of carpus with submarginal spine (inner face).