Thai National Parks

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Amphibians of Thailand

Species of Thailand

Banded bullfrog

In Thai: อึ่งอ่างบ้าน

Binomial name: Kaloula pulchra, John Edward Gray, 1831

The banded bull frog (Kaloula pulchra) is also known as the chubby frog (in the pet trade), Asian painted frog, rice frog, or bubble frog. These frogs belonging to the narrow-mouthed frog family have round bodies with mahogany brown backs and cream stomachs. The distinctive stripes down the side can range from copper-brown to salmon pink in color. Males have darker throats than females. Frogs grow to 7–8 cm with females generally being larger than males. They may live for as long as 10 years.

Distribution

This frog is native to South East Asia, and usually lives on the forest floor, in rice fields, and even inside homes. These frogs are voracious eaters, and will eat flies, crickets, moths, grasshoppers, earthworms and more. Painted frogs hide under leaf litter during the day hours and eat in the evening.

Like many other narrow-mouthed frogs, painted frogs have the ability to expand themselves when threatened, and to secrete toxic glue-like substances from their bodies as a defense mechanism. They are also able to survive dry conditions by burying themselves in the ground and waiting for rain.

The species is a potential invasive species. It has been introduced and become established in Guam, Singapore, Borneo and Celebes with specimens noted in Australia and New Zealand.

Behaviour

In India, the frogs call after the first heavy monsoon showers in April–May. The males call while afloat in pools of water. The pulses of the calls recorded in India were 28–56 per second with a frequency range of 50–1760 Hz. In Thailand the dominant frequency was 250 Hz (duration 560–600 ms long) and 18–21 pulses/call.

The tadpoles can metamorphose in as little as two weeks.

Appetite

These frogs are big eaters and are very slow. They eat many kinds of insects such as crickets, worms, grasshoppers and other insects that can fit in its mouth. Meal worms can be fed once a week or so if one Asian Painted Frog is kept at home, but should not make up most of its diet they can be used as a laxative.

Pet trade

Chubby Frogs are commonly sold in pet stores. They are sensitive to chlorine in water. They are maintained in aquariums with substrate choices consisting of peat–soil mixes or potting soil with sphagnum moss. They need high humidity and prefer temperatures of 80 - 85 F C.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Amphibia
Order
Anura
Family
Microhylidae
Genus
Kaloula
Species
Kaloula pulchra

Common names

  • English:
    • Banded bullfrog
    • Malaysian narrowmouth toad
    • Ox frog
    • Painted bullfrog
    • Painted burrowing frog
    • Piebald digging frog
  • Thai: อึ่งอ่างบ้าน

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Range Map

Distribution map of Banded bullfrog, Kaloula pulchra in Thailand
  • Bang Lamung District, Chonburi
  • Bo Rai District, Trat
  • Damnoen Saduak District, Ratchaburi
  • Dan Makham Tia District, Kanchanaburi
  • Doi Saket District, Chiang Mai
  • Hang Dong District, Chiang Mai
  • Hua Hin District, Prachuap Khiri Khan
  • Huai Kha Khaeng Wildlife Sanctuary
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Kapo Waterfall Forest Park
  • Kham Thale So District, Nakhon Ratchasima
  • Khao Banthat Wildlife Sanctuary
  • Khao Chamao - Khao Wong National Park
  • Khao Nang Panthurat Forest Park
  • Khao Sam Roi Yot National Park
  • Khao Sok National Park
  • Khao Yai Da
  • Khura Buri District, Phang Nga
  • Ko Samui District, Surat Thani
  • Ko Tao
  • Kra Buri District, Ranong
  • Mu Ko Samet National Park
  • Mueang Chiang Mai District, Chiang Mai
  • Mueang Chonburi District, Chonburi
  • Mueang Kanchanaburi District, Kanchanaburi
  • Mueang Khon Kaen District, Khon Kaen
  • Mueang Krabi District, Krabi
  • Mueang Loei District, Loei
  • Mueang Nakhon Ratchasima District, Nakhon Ratchasima
  • Nong Han District, Udon Thani
  • Nong Phai District, Phetchabun
  • Pak Phanang District, Nakhon Si Thammarat
  • Phu Khiao Wildlife Sanctuary
  • Phu Kradueng District, Loei
  • Phu Kradueng National Park
  • Phu Suan Sai National Park
  • Prachantakham District, Prachinburi
  • Sakaerat Environmental Research Station
  • San Sai District, Chiang Mai
  • Sikhio District, Nakhon Ratchasima
  • Sung Noen District, Nakhon Ratchasima
  • Takua Pa District, Phang Nga
  • Tarutao National Marine Park
  • Tha Mai District, Chanthaburi
  • Thalang District, Phuket
  • Thung Salaeng Luang National Park
  • Yan Ta Khao District, Trang
Range map of Kaloula pulchra in Thailand