Pictures of other species here
Red finned silver dollar, Moon redhook
The red hook silver dollar. Rubripinnis means "red finned", as can be seen here.
Fishkeeping Facts and Tips
Should I have water movement in my tank? Fish from faster flowing rivers love swimming against a current - fish from vegetation choked marshes do not. With todays box filters it is quite easy to get some good water flow for strong swimmers like Rainbowfish, whilst a spray bar attachment can completely remove this for gentler swimmers like Gouramis
Have a look at some of these related sites