Respiratory System of Fishes | Zoology
In this article we will discuss about the respiratory system of fishes. Respiratory System of Shark (Scoliodon): The respiratory organs are the gills which are borne by the gill-pouches. The structure of gill-pouches differs in different dogfishes. Figure 2.35B shows the organisation of gill-pouch of Brachaelurus, a related genus of Scoliodon. There are five pairs of gill-pouches, each of which [...]