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The European green crab, aka shore crab or green shore crab, is a widespread invasive species, that is listed among the 100 of the world’s worst invasive alien species. While native to the north-east Atlantic Ocean and Baltic Sea, in Europe, they have colonized similar habitats in Asia, Australia, South […]

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This article was originally published on Critter Science.

The flathead catfish, aka mudcat or shovelhead cat, an invasive species in some locales, is the 2nd largest catfish in North America after the blue catfish. Seeing as they are highly targeted by recreational anglers and commercial harvesters, they face the threat of overfishing. They also face the threats of […]

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This article was originally published on Critter Science.

The tobacco beetle, aka cigarette beetle, cigar beetle, or paprika beetle, is similar in appearance to the drugstore beetle. They can be found worldwide, sans Antarctica. They have a preference for tropical habitats. That being said, they do not thrive in colder environments. With a global distribution and reputation of […]

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This article was originally published on Critter Science.

The rainbow trout, aka steelhead or steelhead trout, is an anadromous (migrates from saltwater to freshwater) species of fish that originally hails from the Pacific Ocean regions. These fish have been introduced to every continent, sans Antarctica. They migrate from saltwater to freshwater after living from between 2 – 3 […]

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This article was originally published on Critter Science.

The emerald ash borer, aka EAB, feeds on various ash species and hails from north-eastern Asia. Removed from their native locale, they are considered an invasive species and are highly destructive to ash trees native to Europe and North America. Female beetles lay eggs in bark crevices. Once they hatch, […]

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This article was originally published on Critter Science.

The Argentine ant is a highly invasive species of ant that causes an incredible amount of harm to communities of native arthropods, vertebrates, and plants within their invaded range. They hail, originally, from Argentina in South America. They face the threat of being outcompeted by fire ants. Their extreme genetic […]

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This article was originally published on Critter Science.

The Chinese mantis is originally native to Asia and the nearby islands. However, they were accidentally introduced to Mt. Airy, a neighborhood in Philadelphia, United States. From there they spread throughout the eastern half of the United States. They are now considered an invasive species. These mantids face the same […]

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This article was originally published on Critter Science.

The mangrove monitor, aka mangrove goanna, western Pacific monitor lizard, or wbl yb in the Kalam language of Papua New Guinea can be found from northern Australia and New Guinea, to the Moluccas, and the Solomon Islands. These lizards face the threat of hunting for their meat and skin (which […]

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This article was originally published on Critter Science.

The Asian needle ant originally hails from Japan and mainland Asia. These ants are capable of medically significant stings and are considered a highly invasive species. They are a widely distributed ecological threat in the countries in which they have been introduced. They severely outcompete native species of ant in […]

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This article was originally published on Critter Science.

The brown bullhead, aka mud pout, horned pout, hornpout, or mud cat, can be found throughout most of North America. These catfish are regularly stocked in lakes meant for fishing all over Canada and the United States. They face the threats of habitat destruction, water pollution, overfishing, and habitat alteration, […]

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