What is difference between chorichthyes and …
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Gaurav Seth 3 years, 9 months ago
Characteristics
Chondrichthyes
Osteichthyes
Endoskeleton
Commonly known as cartilaginous fish as they have cartilaginous endoskeleton
Commonly known as bony fish as they have bony endoskeleton
Body size
Large-sized fish
Comparatively smaller in size
Mouth position
Ventral
Terminal (anterior)
Type of scale present on skin
Placoid scales
Scales absent, if present, cycloid scales
Number of gills present
5-7 pairs of gills, not covered by operculum
4 pairs of gills, covered by operculum
Caudal fin
Heterocercal
Homocercal
Excretory waste
Urea
Ammonia
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