Tentacruel learns hydropump at level 49 friend
Vaporeon learns Hydro Pump at level 71.
Lv 56
60
gyrdos learns hydro pump at lv 41! i hope i helped you :)
blastoise learns it at lv 68 not sure if squrtile can learn hydro pump hope this helps.
Feraligatr learns Hydro Pump at Lv. 63.
never, mudkip however learn it @ lv 42
Lv.40
50 - 68 depends what game your talking about
Sadly he doesn't. Sorry.
Wailord's moves if you evolve at level 40: lv 44:water spout lv 52:amnesia lv 59:hydro pump
Lvl. 46 in blue/red/yellow Lvl. 49 in fire red/leaf green/ruby/sapphire/emerald And not sure about the rest... Hope this helped