Pokemon number 80 is: Barboach.
It can be found on route 208 by fishing and using the good rod.
That depends. In the Sinnoh Pokedex, #80 is Barboach. In the National Pokedex, #80 is Slowbro.
Pokemon #80 in Sinnoh pokedex is Barboach.
diamond pokedex number 80 is Barboach
barboach
Slowbro
catch 80 Pokemon
Barbroach is number 80
barboach
Slowbro is #80 in the national pokedex, and it is a Water-Psychic type Pokemon.
In Pokemon Diamond, if you have the sinnoh pokedex(that means you have not found all the Pokemon in the sinnoh region)number 80 is barboach. If you have the national pokedex, number 80 is slowbro. I hope that helps.
Arceaus (but you can only get it through events)
Barboach and it's in mt.coronet