Feraligatr can learn Hydro Pump at level 58 in Pokemon Crystal.
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Blastoise never learns Crunch. Blastoise does not learn Crunch, but it does learn Bite. This is when it is a Wartortle (or Squirtle) and is on level 16. If you have a Blastoise on level 16 (which is not really possible), it will learn Crunch.
Turtwig learns it at lv 37. Grotle learns it at lv 42. Torterra learns it at lv 45.
In Pokemon Crystal, Cyndaquil learns Ember at level 12.
By leveling up, Feraligatr learns Hydro Pump at different levels for each generation.In Generation II (Gold, Silver, Crystal), Feraligatr learns Hydro Pump at level 58.In Generation III (Ruby, Sapphire, Emerald, FireRed, LeafGreen), Feraligatr learns Hydro Pump at level 55.In Pokémon Diamond and Pearl, Feraligatr learns Hydro Pump at level 63.In Pokémon Platinum, HeartGold and SoulSilver, Feraligatr learns Hydro Pump at level 71.In Generation V (Black, White), Feraligatr learns Hydro Pump at level 76.
feraligatr learns hydro cannon at level 74
It learns Crunch at level 41. This is 6 levels earlier than Mightyena, who learns it at level 47.
Feraligatr can learn Hydro Pump at level 58 in Pokemon Crystal.
Feraligatr learns Hydro Pump at Lv. 63.
It learns it at level 45.
No, the last move it learns on its own is on Level 71. You can still make Feraligatr learn a TM or HM move however.
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Blastoise never learns Crunch. Blastoise does not learn Crunch, but it does learn Bite. This is when it is a Wartortle (or Squirtle) and is on level 16. If you have a Blastoise on level 16 (which is not really possible), it will learn Crunch.
Turtwig learns it at lv 37. Grotle learns it at lv 42. Torterra learns it at lv 45.
He knows already "Twister", in level 5 he learns "Scary Face", in level 15 he learns "Ancient Power", in level 20 he learns "Dragon Claw", in level 30 he learns "Dragon Dance", in level 35 he learns "Crunch", in level 45 he learns "Fly", in level 50 he learns "Rest", in level 60 he learns "Extremspeed", in level 65 he learns "Outrage", in level 75 he learns "Hyper Beam". That was it.
Grottle learns crunch at Lv42. Torterra will learn it at Lv45 if you want Grottle to evolve