Many thanks peeps. Right the 3 foot tank is the mrs and she just has a heap of guppys in there and a few common plecs.
But in the 4 foot tank I have:
1 Large sailfin (15cm)
7 Clown Loaches (Biggest one is about 7cm)
3 Zebra Loachs
5 Tiger barbs
5 Neons
2 cardinal
1 large red finn loach (is about 11cm)
4 Silver sharks (Biggest one is about 8cm)
2 Cat fish (cant rember there names at the mo but will look up when i get home)
3 Silver dollars
2 dwarf plecs
1 sucking loach
2 corys