Setting up a saltwater aquarium is expensive because you must invest in specialized equipment. You can’t cut corners with ...

These circumstances all add up to perhaps the most staggering – but little known – fact about freshwater fishes: there are more freshwater species than saltwater ones. There are 11,000 species that ...

Scuba divers surveying marine life off of Ecuador found several out-of-place fish species in first-of-their-kind sightings, photos show. Photo from Getty Images / iStockphoto Plunging into the ...

Tuna is a nutritious and protein-rich saltwater fish that may contain ... As one of the most widely consumed fish species, tuna can accumulate high levels of mercury due to its position at the ...