Preserved Gray Perch for dissection demonstrates the characteristic anatomy of the class Osteichthyes-the boney fish. This is the largest class of vertebrates both in number of species and in number of individuals.
Genus Unio or Anodonta. Mollusks belong to the class Bivalvia. An excellent specimen for studying the characteristics of the class and of the molluscs in general. As filter-feeders, these animals have a measurable impact over any community in which they occur in significant numbers. Sizes as indicated.