Killer Fish And Man-Eating Snakes: Nine Invasive Species That Are Destroying America

From the killer fish that can live on dry land to the thousand-pound wild pigs with teeth to match, here are nine of the most terrifying invasive species that are threatening American wildlife–and humans.

As pest-infested ships from distant lands pull into port and uncaring pet owners release their imported animals into the wild, a number of invasive species have made their escape onto American soil. With their hefty appetites, aggressive natures, and will to survive, many of these truly frightening animals are driving our native species nearly to the point of extinction.

Without their natural predators, these invasive species are free to thrive in their newfound environment–and wreak havoc. These are nine of the most alarming invasive species that are putting our habitats, our wildlife, and sometimes even ourselves in danger…

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27 Incredible Underwater Pictures of Schooling Fish

Like starling murmurations, schooling fish are one of the world’s most wondrous natural phenomena. Not to be confused with shoaling fish (which refers to fish who gather to swim together socially), schooling fish are defined as a large group of fish that swim synchronously.

Swimming in a school allows fish to protect themselves from predators, improve foraging, and swim more efficiently. While scientists are still working to better understand fish schooling, experiments over the past few decades have provided much information about how (and why) fishes form schools.

For one, schooling is most likely a genetic behavior. In fact, a combination of behavioral traits and unique sensory abilities allow fish to move fluidly and in sync with the school. While schooling fish make moving in perfect time look easy, there are various factors that the fish must instantaneously account for; the fish must quickly respond to water currents and react instantly to changes within the group. Scientists have discovered that fish base their decisions on a synthesis of where all the fish in its field of view are headed, instead of following its nearest neighbors.

Check out these 27 pictures of the incredible phenomenon:

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This Betta Fish Photography Is Anything But Basic

Beautiful Betta Fish

Source: 500px

Sure, betta fish are pretty boring when they are left to swim alone in small, clear containers. Yet when captured under the lens of photographer Visarute Angkatavanich, bettas are anything but basic. Angkatavanich’s betta fish photography went viral last year when sites like This Is Colossal shared his photographs of colorful fish contrasted against black and white backdrops.

Betta Fish Photography Face

Source: 500px

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7 Of The Most Frighteningly Bizarre Ocean Creatures

Bizarre Ocean Creatures Hatchet Fish

Source: Seavenger

Bizarre Ocean Creatures: The Hatchetfish

Bizarre Ocean Creatures Hatchet Fish Orange

Source: Flip Side

Given the extreme depths to which scientists must go to find these frightful–and tiny–fish, little is known about the hatchetfish. A prime source of worldwide model envy, the morose-looking creatures derive their name from how razor-thin they are, no extreme dieting required.

Anatomically speaking, the hatchetfish’s silver-colored thorax resembles a hatchet’s blade. Its name is somewhat deceiving, though; measuring a mere one to five inches in length, the hatchetfish is hardly imposing, let alone deadly. It’s just, well, pretty terrifying to look at.

The marine hatchetfish is endowed with bioluminescent properties, which allow it to evade predators lurking in the depths below. If you absolutely must see one for yourself, you’ll need to slip on your scuba gear and head to the Pacific, Indian or Atlantic Oceans and swim at least 50 meters below the oceans’ surface, as that’s where the hatchetfish calls home.

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