Hypnale zara

Hypnale zara, the lowlands hump-nosed pit viper, is a venomous pitviper species endemic to Sri Lanka. It is distinguished from Hypnale nepa by variably colored body and less upcurved snout. No subspecies are currently recognized.[2]

Hypnale zara
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Hypnale
Species:
H. zara
Binomial name
Hypnale zara
Gray, 1849
Synonyms
  • Trigonocephalus zara
    – Gray, 1849 (part)
  • Hypnale zara
    – Maduwage et al., 2009.

Description

Hypnale zara has 10-19 minute scales from wart-like protuberance on the snout tip. 18-39 heterogeneous small scales on inter nasal to prefrontal region can be seen, along with six scales around the eye, and seven to eight. supralabials. Costal scales are keeled. Ventrals are 134–157 in number. Subcaudals may be 34–51.

Dorsum color ranges from yellowish brown to dark brown, sometimes deep red. Two rows of distinct sub-oval or sub-triangular blotches meet on vertebral region. There is a dark stripe across eye and cheek. Venter is lighter than dorsum, sometimes light ash-gray.

Reproduction

Hypnale zara is ovoviviparous.[3]

References
  1. "Hypnale zara". IUCN Red List of Threatened Species.
  2. "Hypnale zara (Gray, 1849)". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 23 March 2022.
  3. "Hypnale zara". The Reptile Database.


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