The polluted Thenpennai River in Tamil Nadu, India, is filled with industrial chemicals and plastics, harming crops and farmers.

Researchers have identified Sewellia pudens, a subtle and newly discovered loach from the Xe Kaman River, thriving in the fast currents of southern Laos.

158 blacktip reef sharks — a survey record — were spotted in Maya Bay, Thailand, showing the success of conservation and ecosystem recovery efforts in the area.

In some cultures, oarfish, known as the “doomsday fish,” are seen as harbingers of destruction because they are often sighted before storms, according to experts.