I'm looking for some long finned black widow tetras and found some listed at directtropicals.co.uk, listed as Hi-Fin black widow tetras. Are these the long finned variety? I hope to put them in with my angel fish, at the moment the angelfish is under 2 inches, I know she'll grow much larger, but will the black widow tetras be safe from her, now and also when she is fully grown - they are listed as medium/large? How many do I need to keep together?
Also how big do headstanders grow to and how big a group do they like to be in?
Thanks.
Also how big do headstanders grow to and how big a group do they like to be in?
Thanks.







