Gonocephalus grandis ( Gray, 1845 )

Zijia, Hong, Anuar, Shahrul, Grismer, L. Lee & Quah, Evan S. H., 2021, Preliminary report on the herpetofaunal diversity of Batu Hampar Recreational Forest, Kedah, Malaysia, Check List 17 (3), pp. 791-814 : 800

Gonocephalus grandis ( Gray, 1845)

Figure 5C

Materials examined. MALAYSIA – Kedah • Batu Hampar Recreational Forest ; 05.1966°N, 100.5827°E; 40 m a.s.l.; 23.IX.2018; Evan S. H. Quah, Hong Zijia leg.; 2 ♀, USMHC 2461 , 2557 , 1 juvenile, USMHC 2462 .

Identification and natural history. Two adult females ( USMHC 2461, SVL 93 mm, TL 247 mm; USMHC 2557, SVL 96 mm, TL 248 mm) and one juvenile ( USMHC 2462, SVL 81 mm, TL 166 mm) matched Das’s (2015) and Grismer’s (2011a, 2011b) diagnosis in having robust and laterally compressed bodies; naked tympanum and unmodified digits. Female and juvenile males lack- ing dorsal crest; greenish-brown dorsum with anteriorly-projecting oblique bands; wide and dark postorbital stripe extending to above shoulder and whitish throat with faint streaking. All specimens were found sleeping on vegetation at night usually close to proximity of the stream. Specimens were also observed during the daytime perched on the trunks of trees and other vegetation close to the stream.