Kalophrynus eok Das and Haas, 2003 Eok Sticky Frog

Zug, George R., 2015, Morphology and Systematics of Kalophrynus interlineatus-pleurostigma Populations (Anura: Microhylidae: Kalophryninae) and a Taxonomy of the Genus Kalophrynus Tschudi, Asian Sticky Frogs, Proceedings of the California Academy of Sciences 62 (5), pp. 135-190 : 158-159

Kalophrynus eok Das and Haas, 2003 Eok Sticky Frog

Kalophrynus eok Das and Haas, 2003, Raffles Bulletin of Zoology 51:110 [type locality: “Long Re (03°42′2″N; 115°32′06″E), east of Bario along forest trail to Kalimantan border, Sarawak, East Malaysia (Borneo)”] .

TYPE MATERIAL.— HOLOTYPE: Sarawak Biodiversity Centre Zoological Museum A. 00310, by original designation.

DEFINITION.— Small, known from single adult male 26.3 mm SVL; head moderate length 20 % HeadL/ SVL; head wider than long 132 % HeadW/HeadL; naris closer to snout than to eye 78 % NarEye/SnEye; eye large 55 % EyeD/HeadL; tympanum visible and smaller than eye 62 % Tymp/EyeD; with exception of CrusL, limb measurements not reported, 44.8 % CrusL/ SVL.

Vomerine teeth presence or absence not reported; palatal fold morphology not reported; tongue size and shape not reported.

Fingers with slight basal web; lengths 3>2>1>4; tips rounded and not dilated; subarticular tubercles distinct, round, and one on digits 1, 2, 4, and two on 3; one large palmar tubercle on outer half of palm, bordered distally by four small, round tubercles; smooth nuptial pad on base of fingers 2 and 3. Toes lightly webbed not extending beyond proximal subarticular tubercles of toe 4, lengths 4>3>5>2>1; tips rounded, not dilated; subarticular tubercles large, round and one on digits 1, 2, two on 3, 5, and three on 4; round inner and outer metatarsal tubercles.

In life, dorsum brick-red with brown interorbital bar, brown inverted V-shaped mark on posterior head to suprascapular area, and brown traverse bar at midbody; no inguinal ocelli; lores and temporal area to axilla dark brown, trunk side reddish brown; venter pinkish white, sides of throat light red, scattered white spots of chest and anterior belly.

ETYMOLOGY.— This small frog lives in the Kelabit language area of Borneo, and the Kelabit word eok meaning tiny.

DISTRIBUTION.— Borneo , Sarawak. This species is known currently only from the vicinity of the type locality .

NATURAL HISTORY.— The only known specimen is a male that was discovered calling from a water-filled node of a fallen bamboo trunk in primary submontane evergreen forest.

COMMENTS.— Preceding information extracted from Das and Haas (2003) and Frost (2014).