Macrophthalmus (Mareotis) depressus Ruppell, 1830

Srivastava, O. P., 2017, Marine and estuarine crabs of Digha coast, Records of the Zoological Survey of India 117 (1), pp. 49-72 : 68-69

61. Macrophthalmus (Mareotis) depressus Ruppell, 1830

1830. Macrophthalmus depressus Rüppell , 24 Kurzschwanz Krabben Rothen Meeres: 19. PI. 4. Figure 6.

1900. Macrophthalmus depressus Alcock, J. Asiat. Soc. Bengal. 69 (2): 380.

2000. Macrophthalmus (Mareotis) depressus : Dev Roy and

Das, Rec. zooI. Surv. India. Occ. Paper No. 185: 133.

pI. 5. Figure 4 and pI. 16. figs. 3. 4.

Material examined: None. Based on earlier report.

Diagnosis: Carapace rectangular, broader than long, surface covered with fine granules, epibranchial regions marked with two longitudinal rows of fine granules. Front narrow and deeply furrowed. Anterolateral borders parallel, but angle truncated and cut into two large lobes. Chelipeds unequal but equal in the same sex; outer surface of arm finely granulose, borders denticulate, its inner and outer surfaces covered with close hairs; outer surface of wrist and palm smooth; inner comer of wrist bearing tubercles; upper and lower border of palm granular, inner surface densely hairy; dactylus strongly curved, fixed finger without any large tooth but coarsely denticulated. Legs unarmed with the exception of a subterminal denticle on the anterior border of meropodites, upper and lower border of merii serrated; dactylus long, clawshaped, thickly hairs.

Distribution: India:Andaman Islands, Andhra Pradesh (Visakhapatnam), Maharashtra ( Mumbai), Puduchery, Tamil Nadu (Gulf of Mannar, Palk Bay) and West Bengal. Elsewhere: Australia, East coast of Africa, Indonesia, Hawaiian Islands, Madagascar, Mergui Archipelago Persian Gulf, Red Sea, Ryukyu Islands, Samoa and Sri Lanka.