you find relicanth by mosdeep city.
You can find relicanth on route 4
you will find relicanth underground under sotopolis city (note relicanth is super rare it will take for ever to find
You can find Relicanth underwater, but they are rare.
relicanth for sure.
You find relicanth underwater near sootopolis city.
stay close to sootopoolis entrance and you'll find relicanth eventaualy
No trainer in the game has relicanth in ruby but you can find it around sootopolis city underwater.
You find a Relicanth in emerald by diving in water near Sotopolis City since a Relicanth is a fish. Specifically the creature can be found in either route 124 or 126 in the weeds. Since it is a rare creature it may be difficult to find.
you find it underwater
You can find a relicanth under the sea by sootopolish city or again under the sea on the way to mossdeep city and relicanth's are very hard to find unless u have sweet scent or white flute but it dose take a lot of time to get
Train a wailmer for wailord, relicanth has to be found underwater no other way.
Dive somewhere on the sea routes and in the grass down there you can sometimes find relicanth along with clampearl.