An account of the ichthyofaunal diversity along the Digha coast has been studied. A total of 340 species belonging to 210 genera, 107 families and 19 orders were reported both from earlier literatures and current study all together. In total 48 species were added for the first time from Digha coast.

Ophichthus chilkensis Chaudhuri, 1916 has long been treated as a synonym of Pisodonophis cancrivorus (Richardson, 1848). O. chilkensis is hereby re-described on the basis of holotype from Chilika Lake, Odisha as well as ten fresh specimens from Talsari, Balasore district, Odisha and Digha, West Bengal. The present study confirms it belonging to the genus Ophichthus and resurrected as a valid species from the east coast of India. It is compared with its closest congener species, particularly with Ophichthus microcephalus Day, 1878, known from India.

An elongate, brown unpatterned moray eel, Gymnothorax visakhaensis sp. nov., is described based on seven specimens collected from the Visakhapatnam fishing harbour, Andhra Pradesh, India. The new species is differentiated from other elongate unpatterned moray eels in having the following combination of characters: anus at about mid-point of body, preanal length 1.9–2.1 in total length; snout blunt and short; dorsal-fin margin black, 6 mandibular pores; intermaxillary teeth biserial; maxillary teeth uniserial, sharp and depressible, pre-dorsal vertebrae 7, pre- anal vertebrae 70–74, total vertebrae 163–169.

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A new moray Enchelycore propinqua sp. nov., is described from a single specimen collected from Visakhapatnam fishing harbour, Andhra Pradesh, India. The species has a reddish brown body mottled with irregular creamy white spots; dorsal-fin origin considerably behind gill opening, but well ahead of level of anus; sharply pointed recurved teeth; biserial intermaxillary and maxillary teeth, those of inner row larger and more widely spaced than outer row. It differs from congeners by higher predorsal vertebrae and lower total vertebral count (MVF 20-51-120). The colouration is distinctly different from other species of the genus.