Not sure if there is enough of a difference but we loaded 7.53 My wife also changed some more coding on the body backround. Hopefully that helped.Version 7.51
One small suggestion: scientific names should be listed with the first word only capitalized, and should be in italics or underlined. E.g., not Labidochromis Caeruleus, but Labidochromis caeruleus.
Also, (I'm assuming this is already on your list of things to do) I would format the search resuts page to match the site. At least background color and text formatting at least.