Opah in a sentence as a noun

>> Testing showed that the opah is able to maintain a core body temperature about 5 degrees Celsius warmer than the surrounding water. I'm curious, what tasting will show.

But the opah is the only fish scientists know of that has this design in its gills, where most fish lose the majority of their body heat to the surrounding cold water. By warming up the blood in the gills before it goes anywhere else, the opah achieves not just regional endothermy, but whole-body endothermy, according to the paper’s authors. Testing showed that the opah is able to maintain a core body temperature about 5 degrees Celsius warmer than the surrounding water."

Opah definitions

noun

large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean

See also: moonfish