Pacific Paradise? A depressing eel story

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Across
  1. 6. What are fresh water crayfish called?
  2. 7. Which organs have shrunk during summer?
  3. 8. What is an eel's ear bone called?
  4. 10. What do you call a young eel?
Down
  1. 1. Where were two long-fin eels caught?
  2. 2. What is a microscopic sized thing that eels eat?
  3. 3. when does the eel's body change?
  4. 4. What is the final part of the eel cycle?
  5. 5. What is the first part of the eel cycle?
  6. 9. What's the name of the body part where all eggs are kept?