Toads of Pakistan

 

 

 

 


Olive Toad

Bufo olivaceus

 

Description:

No cranial crest; interorbital space slightly concave, a little broader than upper eyelid. Tympanum very distinct. First finger longer than second. Subarticular tubercles of toes single, no tarsal fold. Parotoids depressed, elongated to sacral region. Tarsometatarsal articulation reaching in front of eye. Dorsum smooth. Color: Uniform gray dorsum, with darkish spottings on limbs, ventrum whitish.

 

Distribution and Habitat:
Country distribution from AmphibiaWeb's database: Pakistan, Iran, Islamic Republic of.

 

Bufo olivaceous is recorded from the extreme western parts of Balochistan and adjoining Iran. Minton (1966) found little difference between B. olivaceous and B. stomaticus, while Eiselt and Schmidtler (1973) are inclined to conside it as a subspecies of Bufo stomaticus.

 

Life History, Abundance, Activity, and Special Behaviors:
Tadpole: Typically bufonid, with oval, bulging body and weak tail. It inhabits ponds and puddles in oasis and date palm groves in Dalbandin and Kharan, southwestern Balochistan. Body is light brown, with dark specks on tail and fins, ventrum darkish white. The oral disc is typically bufonid, labial tooth row formula 2(2)/3, oral papillae are lateral. The tadpole feeds on algal vegetation and other concretions deposited on the surface of submerged objects. Total length 24-26, tail 20-22 mm.

 

Trends and Threats:
Prolonged droughts Chemical pollution Perticides

 

Relation to Humans:
Depends on wetlands created by agricultural activity, around salt lakes. It extends in human inhabitations, feeding on light attracted insects.

 

Comments:

None

 

Possible reasons for amphibian decline:

Prolonged drought
Drainage of habitat
Local pesticides, fertilizers, and pollutants

 

Reference:

None

 

Credits: All information, pictures and maps property of:

  • Dr. Muhammad Sharif Khan

  • AmphibiaWeb(http://elib.cs.berkeley.edu/aw)

 

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copyright 1999-2002-wildlife of Pakistan-all rights reserved

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