Horaglanis populi

Horaglanis populi is a species of airbreathing catfish endemic to India, mainly in wells and underground water channels around Pathanamthitta District, Kerala. It lacks pigmentation and eyes, like other cavefish, Like other species of similar catfishes found in Kerala, it is also obtained from laterite wells. The Horaglanis populi has an elongated body that comes with a round cross-section anteriorly which also comes with a large head that excludes eyes. The head of the Horaglanis populi has a wide mouth a truncated snout and four pairs of barbels which are two mandibular, one nasal barbel pair, and one maxillary.