Breathing Under Water

Oxygen is the key to life. All vertebrate animals require oxygen to live, and most of us cannot survive beyond a few short minutes without a generous Read More…

An efficient exchange

Just like animals on land, fish need oxygen to survive – but rather than breathing air, fish extract their oxygen from the water around them. This is Read More…

The warm-hearted fish

Fish don’t have a reputation for being particularly “warm” creatures – a heartless and unfeeling person is even referred to as a “cold fish.” But a recent Read More…

Ghouls, goblins, and glowing fish

For those of you getting ready to enjoy the ghouls, goblins, and glow of jack-o-lanterns this evening, be prepared to get chilled to the bone. Here in Read More…

Atlantic salmon can take the heat

As global temperatures continue to rise, and the Pacific Coast endures its third consecutive year of record drought, discussions of how warming temperatures and low water levels Read More…

Under pressure

Fish can withstand some punishing conditions miles below the ocean’s surface, but no fish have ever been found in the sea’s very deepest depths. Now, researchers believe Read More…

The smelling fish

If fish breathe through their gills, why do they have nostrils? A fourth-grade student posed this question to our biologists while we were visiting a classroom for Read More…

Study strikes a nerve

The fleshy adipose fin located between the dorsal and caudal fin of salmonids, has generally been considered a rudimentary, non-functional trait. It is often removed as a Read More…