A fish key

1. Stripes?
   yes - go to 2
   no - go to 6
2. 2 stripes?
   yes - go to 3
   no - go to 5
3. Multiple dots on front dorsal fin?
   yes - go to 4
   no => F
4. 4 dots on front dorsal fin?
   yes => D
   no => B
5. Dark caudal fin?
   yes => C
   no => I
6. Teeth?
   yes => H
   no - go to 7
7. Smiley face?
   yes => A
   no - go to 8
8. Dotted caudal fin?
   yes => go to 9
   no - G
9. 2 dots on caudal fin?
   yes => J
   no => E