Monoliropus leeae sp. n., holotype, male, 9.3 mm. A gnathopod 2 B gill 3 and pereopod 3 C gill 4 and pereopod 4 D pereopod 5 E pereopod 6 F pereopod 7 G abdomen, ventral view H single dorsal lobe, dorsal view. Scale bars: 0.4 mm (A, D–F), 0.2 mm (B, C), 0.1 mm (G, H).