The admittedly odd-looking fish, with red fins and bulging eyes, is known as a filter feeder with a preferred deep-sea habitat. Oarfish normally patrol the ink-black depths more than 3,000 feet ...

I f your fish has bulging eyes, don’t be alarmed. Popeye disease is common in pet fish, and in most cases, they will fully recover. A fish’s eyes can bulge due to trauma or an underlying ...