Macrocalamus emas QUAH, ANUAR, GRISMER, WOOD & NOR, 2019
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Macrocalamus emas
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| Higher Taxa | Colubridae, Calamariinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Golden-bellied Reed Snake |
| Synonym | Macrocalamus emas QUAH, ANUAR, GRISMER, WOOD & NOR 2019 |
| Distribution | West Malaysia (Pahang: Cameron Highlands) Type locality: Gunung Brinchang, Cameron Highlands, Pahang, West Malaysia (04°31.105N 101°22.571E; at 1811 m a.s.l.) |
| Reproduction | |
| Types | Holotype: USMHC 1866, Adult male, collected on 20 August 2015 by Evan S. H. Quah. Paratypes: The paratype USMHC 1867 bears the same data as the holotype. Paratypes LSUHC 11682–11684 bear the same locality data as the holotype but were collected on 26 April 2014 by Evan S. H. Quah and L. L. Grismer. Paratypes USMHC 1956–1958 bear the same locality data as the holotype but were collected on 21 October 2015 by Evan S. H. Quah and Rupert G. Lewis. |
| Diagnosis | Diagnosis: Macrocalamus emas is diagnosable from all other species of the genus by its maximal adult SVL in males (201 mm) and females (218 mm), TL in males (241 mm) and females (245 mm). Head relatively stocky, triangular and indistinct from neck; snout pointed; nasal fused with first supralabial; one elongate loreal scale; ventrals 113–126 (males 113– 118 and females 116–126); 18–29 paired subcaudals (males 26–29 and females 18–21); having a venter that is uniformly bright yellow in the median one- third and bordered by broad, dark brown stripes on the outer edges; a faint single, ventrolateral stripe that is obscured by dark coloration from the dorsum; dorsum reddish to dark brown, with a series of paravertebral ocelli running along the back that are sometimes obscured; presence of an oblique streak on the head extending from temporals to throat; and absence of oblique streaks on body. |
| Comment | Habitat: This species is an upper montane species that occurs in mossy forest habitat. The type series was found by digging through leaf litter and surface debris in drains and along the trail up to Gunung Brinchang during all hours of the day. Diet: One specimen regurgitated an earthworm after it was collected. Syntopy: Collorhabdium williamsoni, M. schulzi, M. tweediei. |
| Etymology | The specific epithet ‘emas’ is the Malay word for ‘gold’, in reference to the colour of the venter, which is bright, golden yellow in life. |
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