Hoplobatrachus tigerinus (Daudin)

Prasad, Vishal Kumar, Gautam, Kumudani Bala, Gupta, Sandeep Kumar, Murthy, R. Sreenivasa, Ramesh, K., Shinde, Ajinkya Duttatray & Das, Abhijit, 2020, Identification of anuran species diversity of the Panna Tiger Reserve, Central India, using an integrated approach, Zootaxa 4851 (3), pp. 450-476: 460

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Hoplobatrachus tigerinus (Daudin)


Hoplobatrachus tigerinus (Daudin)  

( Fig 4I View FIGURE 4 )

Specimens examined: one adult male (WIIAD 228).

Morphological features: An adult male, SVL 153.9 mm; body large and stout; head marginally longer than wide; snout obtusely pointed in dorsal view and projecting beyond mouth; tympanum distinct, nearly equal to the diameter of eye, prominent supratympanic fold; arms short and strong; dorsal skin glandular with broken longitudinal ridges; finger tips without discs, relative length of fingers II <IV <I <III; toes nearly full webbed, webbing formula I0–0II0–½ III½–½ IV ½–½V), relative toes length 1<2<3<5<4, inner metatarsal tubercle present. Coloration in life: Adult male pale brown or greyish (lemon yellowish during breeding season) with dark plump spots on dorsum; prominent greenish or pale yellowish stripe from behind the eye to the groin; a white streak on upper jaw; hind limbs cross-barred with four prominent bands; ventral sides pale white. Males had distinct blue paired subgular vocal sac which is likely to be an optical cue for attraction of females ( Gomez et al. 2009; Fig 4I View FIGURE 4 ).

Bioacoustics: We analysed 50 advertisement calls from five males of H. tigerinus   . The males were recorded calling between 23:30–03:00 hours in July and site air temperature was between 26°C–28.5°C. The mean call duration of analysed calls was 235.30 ± 48.65 ms (181–430 ms). Recorded mean pulse rate was 76.92 ± 5.32 pulses/s (61.82–87.18 pulses/s) with 17.36 ± 2.88 pulses (13–29 pulses) delivered per call. The mean dominant frequency was 1819.14 ± 388.87 Hz (1205.90–2239.50 Hz).

Remark: A common anuran in PTR. Observed breeding in seasonal water puddles in agricultural fields and waterlogged open grasslands in early July.