Feebas (Water)
95 HP, 35 Atk, 40 Def, 30 SpA, 75 SpD, 100 Spe
Durability: 0.25 physical, 0.46 magical
Special Ability - Swift Swim: Doubles speed in Rain Dance weather effect, this counts as +2 to Speed modifier
Tackle (35): 6 Normal type damage, 95% hit rate, 6 average damage
Splash (40): You should now what this does by now >_>
Flail (15): Does Normal type damage based on HP loss, increases happen only at
intervals given. 100% HP does 5, 68.75% HP does 8, 35.42% does 14, 20.83% does
17, 10.42% does 25, 4.17% does 32
I would imagine that the two bolded sections are the thing you're missing, Yoshi! Granted, don't know Farmer.
Also updating now.