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  • When threatened, this fish, also known as balloonfish, increases in size by swallowing water or air.
Question 1:
When threatened, this fish, also known as balloonfish, increases in size by swallowing water or air.
A. Bowfin
B. Porcupinefish
C. Bichir
D. Oar fish

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Trivial Practice Quiz animals - Test 83 | Englishfreetest.com