1. The number of tigerfish is counted as 11 (||||/ ||||/ | means 5 + 5 + 1 = 11). 2. The number of pufferfish is counted as 8 (||||/ ||| means 5 + 3 = 8). 3. The difference is calculated as $$11 - 8 = 3$$. Answer: There are 3 more tigerfish than pufferfish. Bookwork code: 2H