Australian Aquatic Biological

Australian aquatic biodiversity research and consultancy

Taxonomy, distribution and ecology of the Setose Yabby, Cherax setosus

Jason and I have been researching the setose yabby for some time now. This is one of the four terrestrial type Cherax crayfish that occur in Australia and it is part of a series of research projects on these four species (Cherax rotundus, Cherax sp. nov., Cherax punctatus and Cherax setosus). All these species prefer terrestrial habitats and display heavy setation on the lateral propodal surface of the claws.

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Cherax depressus from the Great Sandy National Park, Queensland

Cherax sp

Cherax depressus

Freshwater crayfish are amazing animals that are not restricted to aquatic environments.  Paul and I were driving through the Great Sandy National Park, Queensland and we discovered burrows in the grassy verges. Now finding the burrow is one thing, finding the grayfish is another thing all together.

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Photographing Euastacus hystricosus

The upper Brisbane River

The upper Brisbane River

Euastacus hystricosus is Queensland’s largest giant spiny crayfish species. It is a crayfish covered in numerous sharp spines that grows to a huge size. Found in the upper reaches of the Mary and Brisbane rivers, the ACP has been researching this amazing species.

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Cherax punctatus from the Mary River drainage Queensland

Cherax punctatus

Cherax punctatus

This is one of four terrestrial Cherax crayfish that the ACP is researching. Cherax sp 1 from the Murray River is currently under description. Cherax rotundus from Fletcher Qld has had 2 papers published and research is ongoing. Cherax setosus from the Newcastle region NSW has just been redescribed and that only leaves Cherax punctatus. All Queensland Cherax species are currently under review by the ACP with a full review and revision of all species is due by 2013.

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