By using a camera and computer vision software it is possible to make a fish control a robot car over land. By swimming towards an interesting object, the fish can explore the world beyond the limits of his tank.
Entries in fish video (356)
Many years, countless hours and over half a terabyte of GoPro footage melted down into a 5 minute clip.
Heavy metals are common pollutants of aquatic systems, often associated with human activities. Hard-rock mining, agriculture, urbanization, and industrialization have enabled the release of significant quantities of heavy metals to aquatic ecosystems, sometimes with profound ecological harm.
All of the metals that were examined can negatively impact salmonids to some degree at concentrations below the levels known to cause lethality. Sub-lethal concentrations can alter behaviours related to predator avoidance, foraging, migration, and social interactions, and can cause the physical impairment associated with growth and development, swimming efficiency, and immune system responses.