Transformed animal species

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Across
  1. 1. a fish that migrates
  2. 4. used by humans for its products such as milk & beef
  3. 5. a herd of animals that has a dog named after it
Down
  1. 2. known to like trees and bananas
  2. 3. a rodent, smaller than a rat
  3. 6. pink with a curly tail