This article was originally published on Critter Science.

The Atlantic sturgeon is not only native to both sides of the Atlantic Ocean, but they are also associated with river basins as well. They are often considered a living fossil. These large fish face the threats of habitat loss and destruction at the hands of residential and commercial developments, […]

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This article was originally published on Critter Science.

The kaluga sturgeon, aka river beluga, is the 2nd largest sturgeon after the beluga sturgeon. These giants can be found in the Amur River basin from Russia to China and near Hokkaido in Japan. These giants face the threats of overfishing and over harvesting of their roe (eggs); habitat loss […]

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This article was originally published on Critter Science.

The goby is a type of fish that can dwell in saltwater, brackish water (partially saline), and freshwater environments. There are over 2,000 known species of gobies the world over. Gobies are listed as anywhere from Data Deficient to Critically Endangered by the IUCN. They face the threats (generally speaking) […]

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This article was originally published on Critter Science.

The Arctic char, aka Arctic charr, can be found in alpine lakes, as well as in Arctic and Subarctic coastal waters. These fish can be anadromous (spend part of their lives in the ocean and part in freshwater) and move from freshwater habitats to the local saltwater bodies and back […]

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This article was originally published on Critter Science.

The guppy, named after Robert John Lechmere Guppy, the man who discovered them, can be found in the wild in Antigua, Barbuda, Barbados, Guyana, Suriname, Tobago, Trinidad, and Venezuela. However, they have been introduced to every continent around the world, sans Antarctica. They prefer smaller streams, slower-flowing rivers, lakes, ponds, […]

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This article was originally published on Critter Science.

With their odd looking, flattened body the stingray silently maneuvers through the shallow tropical and subtropical waters throughout the world; armed, in most cases, with a venomous stinger to defend against predators. Some even have multiple barbs. These mysterious critters belong to a group of fish called elasmobranchs. Being closely […]

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This article was originally published on Critter Science.

The saltwater crocodile is a crocodilian that is native to saltwater habitats and brackish wetlands from India’s east coast across Southeast Asia and down to the Sundaic region to northern Australia and Micronesia. These stealthy and opportunistic hunters await patiently in the murky water for a passer-by to stop for […]

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