Horaglanis krishnai, the Indian blind catfish,
is a species of airbreathing catfish endemic to India
where it is found in wells in the area of Kottayam
in Kerala. Found in wells and migrates from one well
to another through underground water channels. Description:
Lacks pigmentation and eyes like other species of
cavefish. Bones of the
skull firmly articulated. Brain teleostean. Absence
of eyes brought about the degeneration of the optic
lobes. Skin devoid of scales. Remarks:
There are now four species (2023) in this genera,
abdulkalam Babu, 2012, Horaglanis
Subhash, Babu & Nayar, 2004, Horaglanis
krishnai Menon, 1950 and Horaglanis
populiRaghavan R, Sundar RL, Arjun
CP, Britz R, Dahanukar N, 2023. Note:The first two images depicted show their
dorsal fin damaged as it should be the full length
as one fin.
Indian blind catfish
separate locations in Kottayam, Kerala State, India
(Subhash Babu & Nayer, 2004). Type locality:
Well at Kottayam, Kerala [India].
4.2cm TL (1¾ins)
Ferraris, C.J. Jr.,
2007. Checklist of catfishes, recent and fossil (Osteichthyes:
Siluriformes), and catalogue of siluriform primary
types. Zootaxa 1418:1-628. Froese, R. and D. Pauly. Editors.
2019. FishBase. World Wide Web electronic publication.
www.fishbase.org, ( 12/2019 ). Talwar, P.K. and A.G. Jhingran, 1991.
Inland fishes of India and adjacent countries. Volume
2. A.A. Balkema, Rotterdam.