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Contains articles and advice on a wide variety of frog species. Answers and addresses questions on species husbandry, captive status, breeding, news and conservation issues concerning frogs.

The Natural History and Captive Care of the Pickerel Frog

Pickerel FrogPickerel Frogs, Lithobates palustris, are “early risers” from winter hibernation and may travel quite far to reach their breeding ponds and summer habitats.  As a result, they often become trapped in swimming pools, window wells and other such areas.  Each spring I receive a number of requests for information concerning their care and rehabilitation.  Often, folks mistake them for the better-known (but often rather scarce) Leopard Frog, Lithobates pipiens.

Description

The body ranges from tan to greenish-brown in color and is marked with parallel rows of “almost square” black spots; a bright yellow or orange patch is present on the inner thighs.  Pickerel frogs grow to a length of 2-3.5 inches and are slender in build. Read More »

Breeding the Malayan Leaf Frog (Long-Nosed or Bornean Horned Frog)

The wonderfully bizarre Malayan Leaf Frog, Megophrys nasuta, has always been a somewhat difficult species to keep.  However, we now have a better understanding of its needs, and captive breeding is becoming more regular.  As it turns out, the Malayan Leaf Frog’s reproductive behavior is as unusual as its appearance.

Natural History

Malayan Leaf Frogs range from southern Thailand through the Malayan Peninsula, Indonesia and Sumatra to Borneo.  Despite the large range, uncanny camouflage and a preference for forested habitats renders them difficult to find.  Little is known of their status and conservation needs.

Malayan Leaf Frogs are classified in the family Megophryidae, a group of 150+ largely nocturnal, leaf-mimicking species. Most prefer walking to hopping, and many are largely unstudied.  Read More »

Breeding the African Clawed Frog

Clawed Frog PairThe African Clawed Frog, Xenopus laevis, is an extremely popular pet and lab animal.  It is also one of the few amphibians that will sometimes reproduce “spontaneously” (that is, without being induced by artificial “rain storms” and other such tactics) in captivity.  Yet there is precious little available concerning how to breed this frog, or what to do if one is suddenly presented with eggs.

Natural History

Unlike most amphibians, African Clawed Frogs may reproduce at any time of the year.  This adaptation allows them to take advantage of favorable conditions whenever they occur, and is responsible for their ability to thrive as an introduced species in a great many countries. Read More »

Frog Reproduction Made Simple – Breeding Fire-Bellied Toads

Chinese Fire Bellied ToadAlthough no frog can be classified as “easy” to breed in captivity, the Chinese or Oriental Fire-Bellied Toad, Bombina orientalis, is at least “reliable”. Two related species that appear in the trade, the European Fire-Bellied Toad, B. bombina and the Yellow-Bellied Toad, B. variegata, are also regularly bred by hobbyists.

The Oriental Fire-Bellied Toad is the most colorful and readily available of the 6 described species.  Ranging from eastern Siberia to northeastern China and Korea, it makes a wonderful introduction to the fascinating world of amphibian reproduction. They are also among the most interesting anurans that one can keep – owners invariably describe them as “amusing”, and I must agree! Read More »

Salmonella and Pet African Dwarf Clawed Frogs – Unraveling the Story

Male Dwarf Clawed FrogA recent (April, 2011) report that over 200 people contracted Salmonella from captive Dwarf Clawed Frogs (Hymenochirus boettgeri and H. curtipes) has pet owners concerned and seeking advice. The story has also re-ignited discussions about the wisdom of keeping African Clawed Frogs, Xenopus laevis, turtles and other amphibians and reptiles.  Unfortunately, not all of the information that has been generated in response to the report is accurate, and much of it only serves to confuse pet-owners.

Zoonotic Diseases

It is important to understand that any animal, be it insect, fish, frog, dog or bird, has the potential to transfer diseases (known collectively as zoonotic diseases) and parasites to humans.  The FDA’s 1975 ban on the sale of turtles below 4 inches in length put a spotlight on reptiles (why they chose 4 inches as a cut-off only served to add to the confusion, incidentally!), but it is a serious mistake to regard them as the only animals capable of making us ill.  Read More »

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