Bufo galeatus Günther, 1864

Stuart Ko Sok Thy Neang, Bryan L., 2006, A Collection Of Amphibians And Reptiles From Hilly Eastern Cambodia, Raffles Bulletin of Zoology 54 (1), pp. 129-155 : 136-137

Bufo galeatus Günther

( Fig. 6 )

Material examined. – Pichrada: FMNH 261766-67 , evergreen mixed with deciduous and bamboo forest, Phnom Nam Lyr Mountain , along O Nam Lyr Stream, near 12°32'16"N 107°32'00"E, 600 m elev., 17 Jun.2000 ; FMNH 261768-69 , evergreen mixed with deciduous and bamboo forest, Phnom Nam Lyr Mountain , near 12°32'16"N 107°32'00"E, 600-700 m elev., 18-21 Jun.2000 .

O’Rang: FMNH 262759 , hilly evergreen forest, O Rokhlong Stream, near 12°18'35.3"N 107°04'28.0"E, 500 m elev., 12 Dec.2003 ; FMNH 262760 , hilly evergreen forest, O Ronas Stream, 12°17'30.7"N 107°03'06.0"E, 450 m elev., 3 Nov.2003 ; FMNH 262761-62 , hilly

Measurements. – Holotype: SVL 47.3, HDL 13.8, HDW 14.4, SNT 4.0, EYE 4.3, IOD 3.5, TMP 3.5, TEY 2.5, TIB 22.4. Paratype: SVL 45.8, HDL 13.1, HDW 14.2, SNT 3.7, EYE 4.5, IOD 3.5, TMP 3.6, TEY 2.0, TIB 21.2.

Etymology. – The specific epithet from synoria (Greek) for borderland, referring to the proximity of the type locality to the Vietnam border.

Comparisons. – Ophyrophryne synoria differs from O. gerti Ohler, 2003 , by having males with SVL 45.8-47.3 (male O. gerti 32.0-34.8), having the tympanum diameter 80% of the eye diameter (tympanum diameter about half the eye diameter in O. gerti ), having the tympanum to eye distance 55-71% of the tympanum diameter (about equal in O. gerti ), and having evergreen forest, O Ngeugn Stream, near 12°18'58"N 107°05'59"E, 550 m elev., 5 Nov.2003; FMNH 262763, hilly evergreen forest, O Doeung Por Stream, near 12°18'08"N 107°03'08"E, 500 m elev., 6 Nov.2003; FMNH 262764, hilly evergreen with bamboo forest, 12°15'41.6"N 107°03'48.2"E, 480 m elev., 7 Nov.2003.

Siem Pang: FMNH 262758 , bamboo mixed with evergreen forest, 14°17'39.5"N 106°37'42.3"E, 400 m elev., 2 Dec.2003 .

Remarks. – These agree with Günther’s (1864) original description of a single specimen from Cambodia, and the expanded descriptions by Smith (1921) and Inger et al. (1999) based on collections from Vietnam. The specimens have a bony ridge connecting the eye with the parotoid gland; large, conical, pointed tubercles in an oblique band from the corner of the mouth to above the axilla; and similar but slightly smaller tubercles on the sides and limbs, the largest of these in a row from the parotoid to the groin. As reported by Inger et al. (1999), females have conspicuously longer and more pointed tubercles on the sides of the head and body than do males, and females (SVL 75.3 – 88.5, mean ± SD 83.4 ± 7.1, N = 3) are considerably larger than males (SVL 49.9 – 60.2, mean ± SD 55.1 ± 3.4, N = 6). Males have a black nuptial pad on the dorsal and medial surface of the first and second fingers.

Specimens were collected day and night on forest trails and at night along streams. FMNH 262759 was taken at night (2015 hrs.) in shallow water of a 4 m wide seep running over a large rock face and FMNH 262760 was found at night (1840 hrs.) on a sand and boulder mid-stream bank in a 3 m wide flowing stream. FMNH 261766-67 were in amplexus in June on a log emerging from a small (<1 m wide) flowing stream with sandy substrate.

This is the first report of the species in Cambodia since its original description.

Figures

Fig. 6. Female Bufo galeatus from Phnom Nam Lyr Wildlife Sanctuary, Pichrada District, Mondolkiri Province, Cambodia.