write difference between amphibians and pisces .
Pisces | Amphibians |
Entirely aquatic | Not entirely aquatic, but most of the larval stages live in water and move to land |
Highest taxonomic diversity among vertebrates with 32,000 species | 6,500 extant species |
Evolved before 500 million years | Evolved from fish before 400 million years |
More species in saltwater than freshwater | Aquatic species are mostly inhabit freshwater than saltwater |
Scale covered skin | No scales, but moist skin |
Respiration mainly through gills, except lungfishes | Respiration takes place through lungs mainly. However, skin, oral cavity, and gills are also functional in any combination of those according to the environment they live |
Metamorphosis is very rare | Metamorphosis is common |