Diogenes tumidus Rahayu and Forest, 1995

Diogenes tumidus Rahayu and Forest, 1995 View in CoL

( Fig. 8E View Figure 8 )

Habitat. Sandy, muddy, and rubbles substrate near mangrove, sometimes on seagrass bed; 0‒2m.

Distribution. Singapore and Thailand. Indonesia:

Kalimantan, Sulawesi, Maluku, and Papua.

Color in life. Shield mottled with light brown and cream with dark brown spot medially; ocular peduncle creamy white with dark brown streak proximal to corneas to proximal part, corneas dark grey with reddish brown streak at base. Chelipeds generally light brown with dark brown streak on dorsolateral surface of palm and carpus, spines white. P2 and P3 light brown or cream with dark brown streak on dorsolateral margin of dactyls, propodi and carpi (after Rahayu, 2022).

Remarks. This is a very common species in the intertidal. The specific characters include the shape of the right cheliped which has smooth, subcylindrical dactylus, forming large hiatus between fingers, and relatively dense setae on the chelipeds and ambulatory legs.