Luis Miguel Gutierrez Bringas, a sea-diving tour operator, captured video of a massive sunfish in its natural habitat off the coast of Mexico.

One of the study’s authors named the two new species, Etheostoma kimberlae and Etheostoma michellae, after his daughter, ...

Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach fish that stay in one place. The adaptation makes it easier for the red-eyed ...

Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach that stay ...

Sunlight filtered through the trees of a rainforest in northern Peru and illuminated an “iridescent” creature. Its “golden” eyes scanned the surroundings — but it wasn’t the only one looking. Passing ...

Mass fish kills have struck in the West Ballina canals, Ballina’s riverbanks, Gawandii Beach and Shaws Bay, according to the ...

If there’s one living creature that effortlessly adds style, colour, and sheer elegance to your home or office space, it’s the captivating Betta fish. Whether you’re an aquarium enthusiast or ...

Is there anything more idyllic than a gorgeous island with luxe accommodations? We think not. Here we rounded up 24 of the ...

Formerly an aquarium curator ... of not being able to do pretty much anything else.” So, when he wakes on another Massachusetts morning, George descends the stairs to his basement and spends the next ...