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Questions and Answers
What type of skeleton do Osteichthyes have?
What type of skeleton do Osteichthyes have?
Which subclass do Osteichthyes belong to?
Which subclass do Osteichthyes belong to?
What is the function of the operculum in the respiratory system of osteichthyans?
What is the function of the operculum in the respiratory system of osteichthyans?
Which type of tail do Osteichthyes have?
Which type of tail do Osteichthyes have?
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What is the function of the pectoral fin in some bony fishes?
What is the function of the pectoral fin in some bony fishes?
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Study Notes
Osteichthyes Characteristics
- Osteichthyes have a bony skeleton.
- They belong to the subclass Actinopterygii or Sarcopterygii.
- The operculum, a bony flap, protects the gills and helps to regulate the flow of water during respiration.
- Osteichthyes have a homocercal tail, which means it is symmetrical and has the same shape on both sides.
- In some bony fishes, the pectoral fin is modified to perform functions such as crawling, grasping, or even lunging forward.
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Description
Test your knowledge of Osteichthyes characteristics and classification. Explore the unique traits such as bony skeleton, operculum-covered gills, and homocercal tail. Learn about the subclasses - lobe-finned fish and ray-finned fish.
