IUCN threat status:

Endangered (EN)

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Biology

Like many organisms that inhabit caves the Mexican blindcat possesses no eyes, which is compensated by the development of other senses (5). Studies have shown that the Mexican blindcat has acute hearing and can rapidly perceive the odour or taste of non-moving food, such as mosquito larvae (6). Aggressive encounters between Mexican blindcats have been observed, during which they bite at one another and then lock jaws, often remaining in mouth to mouth contact for many hours. All of the aggressive individuals appeared to be males (6); however, the reason behind this hostile behaviour is not yet fully understood. Mexican blindcats have also been seen resting motionless on the substrate, or drifting with currents. This behaviour would seem to leave this small fish extremely vulnerable to predation, and thus may reflect the lack of predators in their natural habitat (6).

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Source: ARKive

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