“Agnatha” refers to a superclass of jawless fish, which includes lampreys and hagfish. These ancient creatures represent some of the earliest vertebrates in the evolutionary history of animals. Characteristics: Types: Habitat: Agnathans can be found in various aquatic environments, including oceans and freshwater bodies. Some lampreys are anadromous, meaning they migrate between saltwater and freshwater…
Chondrichthyes, also known as cartilaginous fish, represent a diverse group that includes sharks, rays, and chimaeras. Here are some key points about them: Their unique characteristics and ecological importance make Chondrichthyes a captivating group within the world of marine life. About this fish all information we get by the help of zoology, BY the use…
It is a branch of zoology, that tell us about the study of fish, including bony fish( Osteichthyes), cartilaginous fish(Chondrichthyes),and jawless fish (Agnatha).In zoology ichthyology is important because people need fishes for food,we still don’t know even basic facts, like how many species of fish there are in the whole world. Ichthyologists use specimens, fish…
