OTHER COMMON NAMES
English: Cone-head chameleon, Yemen or Yemeni chameleon; German: Jemen-Chamäleon.
The species grows to 10–24 in (254–610 mm) in size. The most distinguished characteristic is a excessive, distinguished casque that's a lot bigger in males than females and the tallest of any chameleon species. Male coloration is shades of inexperienced, turquoise, yellow, orange, white, and black with daring stripes and spots. Nongravid females are inexperienced with pale patterning, however gravid females show vivid yellow, blue, and inexperienced spots and patterns in opposition to a darkish background. Juveniles are inexperienced at delivery, and their intercourse is distinguished simply by the presence of a brief, fleshy projection known as a tarsal spur on the hind ft of males. It produces audible sounds. Although the subspecies Chamaeleo calyptratus calcarifer (Peters, 1871) was nonetheless thought-about legitimate in 1997, there may be anecdotal proof that it's a hybrid of Ch. calyptratus and Ch. arabicus (Matschie, 1893); this requires additional investigation.
Ch. c. calyptratus happens in Yemen, centered round Ta’izz and Ibb. Ch. c. calcarifer inhabits Saudi Arabia and presumably Yemen.
The veiled chameleon primarily makes use of Acacia species in areas of heavy cultivation and unique plantations, equivalent to Catha edulis. The local weather is arid, however the habitat is the greenest a part of the Arabian Peninsula, and these chameleons normally are discovered close to a water supply.
The veiled chameleon is taken into account very aggressive and defensive towards members of its species (conspecifics) and people. Males can inflict severe accidents or loss of life in territorial or courtship disputes. An grownup on the Dallas Zoo attacked a mirror and frequently coiled and uncoiled his tail whereas threatening his picture.
FEEDING ECOLOGY AND DIET
The species feeds on bugs, some vertebrates, and vital quantities of vegetation, notably acacia.
Courtship consists of head bobbing, intensified coloring, and approaching the feminine with a jerky gait. Females unreceptive to mating could gape, swing from facet to facet, hiss, and even assault the males. Receptive females slowly transfer off however enable the male to mount and copulate. Males could develop into aggressive and are recognized to head butt or chunk, typically inflicting grave damage to females.
Not listed by the IUCN, however listed on CITES Appendix II. In 2001 it was not thought-about uncommon inside its vary and is customized to extremely disturbed habitat in shut proximity to people. Reports of accelerating use of agricultural pesticides could have a detrimental affect on future abundance.
SIGNIFICANCE TO HUMANS
Fewer than 10,000 wild-taken specimens have been exported for the business pet commerce from 1985 to 1999. The species reproduced constantly in captivity and is effectively established in herpetoculture.