| out of sight out of mind: current knowledge of chinese cave fishes. | caves and karsts are among the most threatened ecosystems in the world. they are very fragile, balanced habitats with high levels of endemic species that are extremely sensitive to environmental changes. in recent decades, however, threats from rapid economic growth have increased the need for conservation efforts for cave-dwelling communities. in addition, difficulties in accessing and sampling these habitats mean that they remain as one of the least known ecosystems in the world with modern st ... | 2011 | 22136239 |