Abstract
We report on the finding of the Gunther Toad Duttaphrynus hololius from Visakhapatnam and discuss aspects of its distribution based on our species distribution modeling. We also provide data on historically collected specimens and refine its intra-specific variation, provide an up-to-date chresonymy and comment on the validity of earlier reported diagnosis. Lastly, we remark on some misidentification-mediated dubious southern Indian records of another, related congener, the Marbled Toad D. stomaticus and correct some misallocations by referring them to another syntopic congener, the Dwarf Toad D. scaber.
Highlights
We report on the finding of the Günther’s Toad Duttaphrynus hololius from Visakhapatnam and discuss aspects of its distribution based on our species distribution modeling
Recent studies on amphibians of southeastern India are scarce, contrary to that happening in the Western Ghats (Biju 2001; Gururaja 2012)
We present a new regional record for D. hololius and discuss some unfortunate cases of published misidentifications of other southeastern Indian toads
Summary
We report on the finding of the Günther’s Toad Duttaphrynus hololius from Visakhapatnam and discuss aspects of its distribution based on our species distribution modeling. Duttaphrynus melanostictus (Schneider, 1799), D. scaber (Schneider, 1799), D. cf stomaticus (Lütken, 1862) 2 & 3) and D. hololius (Günther, 1876) are known from eastern peninsular India (Dutta 1997; Daniels 2005 in part; Srinivasulu & Das 2008 in part; Chandramouli et al 2011). Duttaphrynus melanostictus is a widespread species that is relatively well known (Dutta 1997; Biju 2001). The remaining species, D. scaber, D. cf stomaticus and D. hololius are still comparatively poorly known (Daniels 2005)
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