Chordates • Earth.com

Slender hognosed pitviper

(Porthidium ophryomegas)

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Description

Porthidium ophryomegas is a venomous pitviper species found in Central America. No subspecies are currently recognized.Adults usually grow to a length of 40–60 cm (16–24 in) and have a relatively slender build. Females grow larger than males and are often more than 60 cm (24 in) in length, while males are usually about 45 cm (18 in). One exceptional specimen, a female, was reported to measure 77 cm (30 in). The color pattern consists of a tan, brown, gray or grayish-brown ground color overlaid with a narrow white, yellow or rust brown vertebral stripe and 24–40 dark brown to almost black blotches that oppose or alternate across the vertebral line. The blotches have thin white borders that extend at roughly a right angle from the vertebral line. Found in Central America in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica. The type locality given is "les terres chaudes du versant occidental de la Cordillère Escuintla (Guatémala)" (= warm regions on western slope of Cordillera, Escuintla, Guatemala).Occurs in seasonally dry forests, including tropical dry forests, arid forests, subtropical dry forests, and the more arid parts of tropical moist forests.

Taxonomic tree:

Domain:
Kingdom: Animalia
Phylum:
Class: Reptilia
Order:Squamata
Family:Viperidae
Genus:Porthidium
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