• Castorocauda lutrasimilis, a recently described mammal relative that looked like an otter with a beaver's tail, evolved a semi-aquatic lifestyle 110 million years earlier than any other mammal-like animal?
• total dissolved solids, a class of water pollutants, is useful as an indicator of aquatic biota health, yet harmful to the plumbing of aquaria and hot tubs? (pictured: water with dissolved solids)

Facts on topics related to Aquatic

Mammal

• bats comprise about 20% of all mammal species found in the Central Oregon Coast Range (pictured)?
• RNA-binding piwi proteins are required for the formation of sperm in many animals, including mammals?
• limbic resonance is a process of "internal adaptation whereby two mammals become attuned to each other's inner states"?
• Megazostrodon (pictured) is widely accepted as being one of the first mammals to have appeared on Earth?
• microchromosomes are very tiny gene-rich chromosomes which are a typical genetic component in birds, and some groups of non-mammalian animals?
• Ambondro, which lived in Madagascar about 167 million years ago, is the oldest known mammal with modern, tribosphenic molars?
• Castorocauda lutrasimilis, a recently described mammal relative that looked like an otter with a beaver's tail, evolved a semi-aquatic lifestyle 110 million years earlier than any other mammal-like animal?
• Repenomamus may have been the largest mammal in the Cretaceous period and is the only mammal known to have eaten non-avian dinosaurs?
• by 1941, American zoologist Edward Alphonso Goldman had described more new mammals than any other living scientist?
• female Redtail Splitfin nourish their unborn young through organs known as trophotaeniae that function similar to umbilical cords in mammals?