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Oregon Frogs Spotted

Whilst in Vancouver I have been catching up with my good friend and past work colleague Darren Smy. Darren you may remember helped initiate the frogblog back in September 2008. He moved out to Canada to become one of the senior biologists at the Vancouver Aquarium, where he now oversees their superb amphibian collection.

Oregon Spotted Frog, Rana pretiosa (c) Andrew Gray. Courtesy of the Vancouver Aquarium

One of the threatened species Darren is working with is the Oregon Spotted Frog, Rana pretiosa (meaning “Precious frog”), Canada’s most at risk amphibian. Due to the lack of breeding and rearing habitats suitable to the frog in the wild, different methods of captive rearing and re-introductions are being carried out to help conserve it.

The frogs are highly aquatic and reach a length of up to 10cms.  They range in color from green to reddish-brown, and as their common name suggests, they have black spots on the head and back. The species is also identifiable by the reddish sides and slightly upturned eyes, positioned to help it remain partly submerged but able see above the water level (pictured).

Oregon Spotted Frog (c) Andrew Gray, Courtesy of The Vancouver Aquarium

The first collection in the world to have bred this species in captivity, the Vancouver Aquarium are working closely with the Oregon Spotted Frog Recovery Team to support the last remaining populations in Canada. It’s a wonderful project and the aquarium have dedicated many resources to the project, including a growing number of biosecure housings.

Here is Darren explaining some of the finer points of how the frogs are maintained for their successful captive breeding and development:



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