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Showing posts with the label Cartilaginous and Bony fishes

Mr Ten Departure Betwixt Cartilaginous In Addition To Bony Fishes (Chondrichthyes In Addition To Osteichthyes)

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Fishes are vertebrates amongst scales, fins as well as gills. They are alone aquatic. There are iii major types of fishes: Jawless fishes (Cyclostomes), Cartilaginous (Chondrichthyes) as well as Bony (Osteichthyes) fishes. Cyclostomes (Jawless fishes) convey a round off aperture called mouth.  They lack paired fins as well as are called lamprey as well as hag fish. These are institute inward North America. Chondrichthyesand vs  Osteichthyes (Cartilaginous vs Bony fishes) Cartilaginous fishes (Chondrichthyes) Examples:Sharks, rays as well as Skates 1. Cartilaginous endoskeleton. 2. Gills are exposed to the outside. 3. Mouth on the ventral side of the head. 4. Swim bladder absent. 5. Placoid scales. 6. Fertilization is internal. Bony fishes (Osteichthyes) fishes Examples: Salmon, Flying fish, Sea horse, Rohu, trout 1. Bony endoskeleton. 2. Gills covered past times operculum. 3. Mouth at in conclusion terminate of the head. 4. Swim bladder present. 5....