IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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Description

Ichthyophis longicephalus has a mean total length of 270 mm. This caecilian has a total of 438 primary and secondary annuli, with eight of these on the tail (Pillai 1986). The annuli on the venter are broken at the mid-line, with the breaks forming a midventral line that extends from collar to vent (Bhatta 1998). Its body is broad and short, with a relatively long head (Bhatta 1998). The eyes are distinct and the tentacular aperture is situated close to the lip, much nearer to the eye than the nostril (Bhatta 1998). Tentacles are conically shaped and long (Bhatta 1998). Nostrils are roughly terminally positioned and can be seen from above (Bhatta 1998). Ichthyhophis longicephalus has an average of 46 premaxillary-maxillary teeth, about 40 dentary teeth, and about 17 splenial teeth (Pillai 1986). The mouth is terminal and the snout extends slightly further than the mouth, giving them the long head referred to in the specific name longicephalus. The tongue is narrow, anteriorly striated, and nearly completely covered in splenials (Pillai 1986). The first nuchal groove is distinguishable from the ventral and lateral side, but is not distinct from the dorsal side (Bhatta 1998). The second nuchal groove is distinguishable ventrally, and extends laterally to the level of the angle of the mouth (Bhatta 1998). The first and second collars are fused on the dorsum, with the second collar having two incomplete dorsal folds (Bhatta 1998). The tail is short and pointed, and the vent is longitudinal (Bhatta 1998).

Dorsal coloration is a dark violet brown and the ventrals are lighter in color (Bhatta 1998). A yellow lateral stripe runs from the posterior edge of the second nuchal collar to the tail tip (Bhatta 1998). The vent is surrounded by a whitish spot (Pillai 1986). Yellow blotches are visible at the angle of the jaw, and on the sides of the first and second collars (Bhatta 1998).

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