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Biology · ANIMAL KINGDOM

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Select the option that correctly groups Osteichthyes examples based on their natural environment/habitat classification:

  1. Marine: Labeo, Betta; Freshwater: Exocoetus, Clarias; Aquarium: Hippocampus, Catla
  2. Marine: Exocoetus, Hippocampus; Freshwater: Labeo, Catla, Clarias; Aquarium: Betta, Pterophyllum
  3. Marine: Clarias, Pterophyllum; Freshwater: Hippocampus, Labeo; Aquarium: Exocoetus, Betta
  4. Marine: Betta, Catla; Freshwater: Exocoetus, Hippocampus; Aquarium: Clarias, Pterophyllum

Correct answer · Option 2

Marine: Exocoetus, Hippocampus; Freshwater: Labeo, Catla, Clarias; Aquarium: Betta, Pterophyllum

Explanation

Exocoetus (flying fish) and Hippocampus (sea horse) are marine; Labeo (Rohu), Catla (Katla), and Clarias (Magur) are freshwater; Betta (fighting fish) and Pterophyllum (angel fish) are aquarium fishes.
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