Fish

The sword-like beak of the swordfish allows it to cut through the water at high speeds and with wonderful agility.

Fish farmer Brian O'Hanlon is building a large-scale hatchery to support a new type of offshore aquaculture. Pods that float in the ocean are designed to hold an average of 35,000 fish each, quite a respectable haul!

Looking a bit like an armored torpedo, these freshwater giants have a pointed snout with two pairs of whisker-like tactile organs called barbels that dangle near their mouth.

Frilled sharks usually live in the deep sea, but apparently they occasionally rise to the surface purely to remind us that terror may await in the briny depths.

Hammerhead sharks are consummate predators with mallet-shaped heads that improve their ability to find prey. Their wide heads house a wide array of specialized sensory organs.

The toxic pufferfish delicacy called Fugu kills about 300 people per year in spite of the meticulous measurements of expert chefs.

It may sound fishy, but it's true. More than 3,000 fish from 14 different countries competed at the inaugural International Goldfish Championship, where goldfish strutted their stuff in big white bowls of water.

The blobfish is facing extinction from trawler fishermen, even though it is inedible and lives at depths where it is rarely seen by humans.

Frilly iris lappets, which look like seafloor sand, break up the eye’s black pupil to conceal this master of camouflage even more.

Seahorses are inept swimmers. They propel themselves with a small fin on their back that flutters up to 35 times per second, and steer with pitiably small fins on their heads.