After eons of isolation, these desert fish flub social cues
Pahrump poolfish react oddly to danger, a new study finds
![Two endangered Pahrump poolfish swim in an aquarium. The long-isolated desert fish have lost their fear of some dangers, experiments show.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/09/091922_sm_poolfish_feat.jpg?fit=1030%2C580&ssl=1)
The aftereffects of a really long natural quarantine linger in Nevada’s endangered Pahrump poolfish (shown here in an aquarium) when forced to share water with other kinds of fishes.
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