Uca (Paraleptuca) triangularis (A. Milne Edwards, 1873)

Srivastava, O. P., 2017, Marine and estuarine crabs of Digha coast, Records of the Zoological Survey of India 117 (1), pp. 49-72 : 67

57. Uca (Paraleptuca) triangularis (A. milne- Edwards, 1873)

1873. Gelasimus triangularis A. Milne- Edwards, Nouv. Archs. Mus . Hist. nat, Paris, (N.S.), 9: 275.

1900. Gelasimus triangularis Alcock. J. Asiat. Soc. Bengal , 69(2): 356.

1975. Uca (Celuca) triangularis Crane, Fiddler Crabs of the World: 290, 610, pI. 38K-L, Figure 24J, 32N-O, 68C.

1995. Uca (Celuca) triangularis : Bairagi, Zool. Surv. India Estuarine Ecosystem Series, Part 2. Hugli Matta Estuary: 274.

1998. Uca triangularis : Bengali Deb, Zool. Surv. India, Slate Fauna Series 3: Fauna of West Bengal, Part 10:

398.

1982. Uca triangularis : George and Jones, Rec. West. Aust. Mus . Suppl. No. 14: 77, figs. 4a, Sa. 52a- f, 58c.

Material examined: None. Based on earlier report.

Diagnosis: Carapace clearly hexagonal and strongly convex, regions not demarcated. Its surface covered with very minute granules. Antero-lateral angles strongly acute, antero-lateral margins not seen whereas dorsolateral margin strongly convergent towards posterior end. In major cheliped, all the margins of arm and wrist serrated and dactylus longer than palm. In minor cheliped, dactylus and pollex relatively longer and slenderer.

Distribution: India: Andhra Pradesh (East Godavari, Guntur), Puducherry, Tamil Nadu, West Bengal (Sundarbans, Digha coast). Elsewhere: Australia, Malaysia and Myanmar.