But this species isn't naturally aquatic: no flippers, no fins, no feathers.
In this aquatic realm no man or woman is subject to the petty decrees of social bureaucracy".
During a 10-minute presentation we were told sternly: no cigarettes, no feeding the fish, no treading on the aquatic plants, no plastic water bottles.
At one time a 20-mile stretch of the Hudson had little or no aquatic life.
The earliest flowering plants, he goes on to say, were probably "aquatic herbs with no woody parts".
However, no aquatic lineages arising from land plants have moved back onto the land and given rise to significant diversity.
Fish and aquatic insects have no body temperatures of their own and are at the mercy of stream temperatures to regulate their metabolisms.
In swimming the polar bear uses only its front limbs, an aquatic adaptation found in no other four-legged mammal.
The company, which makes tools for monitoring Web site reliability, has no chief aquatic officer; the job of maintaining the tanks is outsourced.
Most species of the family Plethodontidae differ from members of all other families in that their eggs develop entirely on land, with no aquatic larval stage.
While the Environmental Protection Agency says that the formaldehyde and human wastes from a buried, embalmed body can potentially cause disease in humans or harm aquatic life, no studies have found conclusively that embalmed bodies are a risk to water supplies and soil.
