Abstract

The aquaculture potential of three large Cherax species (C. tenuimanus, C. quadricarinatus, and C. destructor) are reviewed using basic biological data. C. tenuimanus or marron reach the largest size (2,500 g) but have a narrow and specific range of tolerances to physical and chemical conditions; late maturation (2-3 years); limited fecundity; seasonal spawning once every 1-2 years and a solitary and territorial behavior. C. destructor or yabbie is the largest of the three species (280 g) and have: a wide range of tolerance to physical and chemical conditions; a maturation time of at least 1 year; are potentially destructive to pond dikes through burrowing activities; are territorial and aggressive. C. quadricarinatus, or red claw reach a size of 600 g, are tolerant to a wide range of physical and chemical conditions but exhibit limited burrowing behavior; have earlier maturation (6 months) with high batch and higher average total fecundity; are a seasonal and multiple spawner with less specific reproductive cues than the other species; adults are communal, with ritualized territorial behavior.

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