The West Wing' star Martin Sheen produced the new documentary 'Aquariums: The Dark Hobby', which shines a light on the death of exotic fish, the reef and the ocean because of the home-aquarium trade.

So, if you want to diversify your tank, look at the list of the seven best saltwater invertebrates for your home aquarium below. 1. Anemones Provide Both Shelter and Enrichment Anemones are the ...