Why must yabbies be housed individually or with extensive barriers when kept communally?
Answer
To minimize aggression and injury due to their strong claws
For individuals keeping yabbies, recognizing their inherent aggressive tendencies is vital for welfare management, particularly in confined spaces like home aquariums. Given that they possess strong, heavily armoured claws (chelae), interactions between individuals can quickly escalate into serious injury. Therefore, keeping them individually is recommended, or if communal housing is attempted in very large setups, numerous visual barriers must be implemented to reduce confrontation and aggressive disputes.
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