and nostrils and ears that close in the water. They remain active in winter, using ice holes to surface and breathe. They can hold their breath underwater for some eight minutes. River otters ...

Such threats occur due to collisions with vessels, uncontrolled algae growth from water pollution ... because there is so much more of it. Underwater photosynthesis essential for seagrass ...

according to a new study that put some plastic beach trash through underwater acoustic testing. "These acoustic signatures are similar, and this might be a reason that these animals are driven to ...

What’s living in our water? Probably more than you think. Lakes, rivers and wetlands are full of life of all sizes. We see the big animals – the fish, turtles, crayfish and frogs that ...

However, some animals are adapted for surviving in polluted conditions for example blood worms and sludge worms. Presence of these species indicates there is a high level of water pollution.