Chain Crosswords Short Books Medium — Set 1

Medium 13×13 Set 1
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7
Across
  1. 1. Animal you can ride with a saddle
  2. 5. Fearsome ocean predator with fins
  3. 6. Small lizard that climbs walls
  4. 7. Largest mammal in the sea
Down
  1. 2. Playful river mammal
  2. 3. Marine organism forming reefs
  3. 4. A word related to animals
  4. 5. Legless reptile that slithers