Definition of speciesism. 1  1 : prejudice or discrimination based on species; especially : discrimination against animals. 2  2 : the assumption of human superiority on which speciesism is based.
When the temperatures in your koi pond or tank are between 52 and 60 degrees Fahrenheit, you will want to feed your koi an easy to digest food such as one made of wheat germ.You need to change his diet because his digestive system will not be moving very well.upiterimages/Photos.com/Getty Images. As a koi owner, it is crucial that you keep your koi's tank or pond at a reasonable temperature. Koi rely on the water temperature to assist with their digestive process and cannot digest food if the water gets too cold.
Not only is temperature important for your fish but also for the plants you put in your aquarium. Close attention to keeping your temperature in the right range will ensure you have a thriving freshwater aquarium.Temperature Ranges. Most tropical fish prefer a temperature range of 72 to 79 degrees.Most people who operate tropical fish aquariums will keep their tanks at a constant 77 degrees.lose attention to keeping your temperature in the right range will ensure you have a thriving freshwater aquarium. Temperature Ranges. Most tropical fish prefer a temperature range of 72 to 79 degrees. Most people who operate tropical fish aquariums will keep their tanks at a constant 77 degrees.