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 wells dug through laterite.[1][2] 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 has a wide mouth a truncated snout and four pairs of barbels which are two mandibular pairs, one nasal pair, and one maxillary pair.
| Horaglanis populi | |
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| Holotype: A in life and B–F immediately after preservation. A, B Lateral view; C ventral view; D dorsal view; E lateral view of head; F ventral view of head. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Clariidae |
| Genus: | Horaglanis |
| Species: | H. populi
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| Binomial name | |
| Horaglanis populi Dr Rajeev Raghavan, Remya L Sundar, CP Arjun, Ralf Britz and Neelesh Dahanukar, 2023[1]
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References
edit- ^ a b Raghavan, Rajeev; Sundar, Remya L.; Arjun, C. P.; Britz, Ralf; Dahanukar, Neelesh (January 25, 2023). "Evolution in the dark: Unexpected genetic diversity and morphological stasis in the blind, aquifer-dwelling catfish Horaglanis". Vertebrate Zoology. 73: 57–74. doi:10.3897/vz.73.e98367. S2CID 256296119 – via vertebrate-zoology.arphahub.com.
- ^ "Horaglanis populi holotype (KUFOS.F.2022.101, 32.5 mm standard length)... | Download Scientific Diagram".
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