Take a look at the incredible barreleye fish and learn why they have a transparent forehead and glowing green eyes.

The common longnose butterflyfish (pictured) is one of two longnose butterflyfish species found in Hawaii. Its Hawaiian name is lauwiliwili nukunuku ‘oi‘oi. -- Maui Ocean Center photo Growing ...

Beneath the ocean's crushing blackness lies an ecosystem ... The viperfish (pictured above) is a fierce predator, with fangs so big that its mouth can't close over them.Instead, they slide up the ...

If they die, there’ll be fewer big fish—and that could rattle the food chain. marine-plastic-ocean-fish-microplasticThe ... Looking back, I could see the green slopes of the Waianae Range ...