From Wikipedia, the free encyclopedia. The Illness-Wellness Continuum is a graphic illustration of a wellbeing concept first proposed by John W. Travis in 1972. It describes how wellbeing is more than simply an absence of illness, but also incorporates the individual's mental and emotional health.
Those who work with the tanks are an integral part of the staff at an aquarium, as they not only care for the fish but also keep the aquarium and the aquarium curatorâs best interests in mind. It is required that an aquarist have a bachelorâs degree to get hired into the position.It is preferred that the degree be in either environmental engineering, biology, science, or veterinary science, though this is not necessarily a requirement.t is required that an aquarist have a bachelorâs degree to get hired into the position. It is preferred that the degree be in either environmental engineering, biology, science, or veterinary science, though this is not necessarily a requirement.
Gravel and Sand. You will need to add a layer of gravel at the bottom of the tank, and a medium-sized pebble is best. Waste-absorbing gravel or just a regular substrate will do, but be sure to wash it thoroughly before putting it in the aquarium.