Question:
Lob fin fish __________ is considered living fossil.
Lob fin fish __________ is considered living fossil.
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This fish was thought extinct until a living specimen was caught off South Africa in 1938.
Updated On: Nov 12, 2026
- Coelacanth
- Cichlid fish
- Seymouria
- Ichthyosaurs
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
A living fossil is an organism that has changed very little over a long time and was once known mainly from fossils.
Step 2: The lobe-finned fish
The coelacanth (Latimeria) is a lobe-finned fish believed to be extinct, until a living one was caught in 1938.
Step 3: Other options
Cichlids are modern ray-finned fishes, Seymouria is an extinct amphibian-reptile link, and ichthyosaurs are extinct marine reptiles.
Final Answer:
The lobe-finned living fossil is the coelacanth. \[ \boxed{\text{(A) }\text{Coelacanth}} \]
A living fossil is an organism that has changed very little over a long time and was once known mainly from fossils.
Step 2: The lobe-finned fish
The coelacanth (Latimeria) is a lobe-finned fish believed to be extinct, until a living one was caught in 1938.
Step 3: Other options
Cichlids are modern ray-finned fishes, Seymouria is an extinct amphibian-reptile link, and ichthyosaurs are extinct marine reptiles.
Final Answer:
The lobe-finned living fossil is the coelacanth. \[ \boxed{\text{(A) }\text{Coelacanth}} \]
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