Critter Science

The Tiger Muskellunge

26 February, 2026
Critterman
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The tiger muskellunge, aka tiger muskie, is the typically sterile, hybrid offspring of the true muskellunge and the northern pike. These fish can be found from eastern Canada to northeastern and midwestern United States

The Brown Crab

12 February, 2026
Critterman
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Crustacean Facts, Daily Critter Facts, Fish Facts

The brown crab, aka edible crab, is found in the North Sea, North Atlantic Ocean, and possibly the Mediterranean Sea. These crabs face the threats of overfishing; diseases, including: pink crab disease, shell disease syndrome,

The European Sea Sturgeon

2 February, 2026
Critterman
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Daily Critter Facts, Fish Facts

The European sea sturgeon, aka Atlantic sturgeon or common sturgeon, were once abundant and found in coastal habitats all over Europe. Now they can only be seen in the Black Sea and Baltic Sea. They face the threats of

The Red Mangrove Crab

28 January, 2026
Critterman
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Crustacean Facts, Daily Critter Facts, Fish Facts

The red mangrove crab, as you would imagine, dwells in and among mangroves. They are ecologically important as they bury and consume leaf litter. These crustaceans are not currently evaluated by the IUCN,

The Atlantic Blue Crab

21 January, 2026
Critterman
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Crustacean Facts, Daily Critter Facts, Fish Facts

The Atlantic blue crab, aka blue crab or Maryland blue crab, hails from the western Atlantic Ocean and the Gulf of Mexico, and has been introduced to international waters. These crabs face the threats of

The Atlantic Sturgeon

16 January, 2026
Critterman
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Daily Critter Facts, Fish Facts

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

The Mysterious Phantom Jellyfish

8 December, 2025
Critterman
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Daily Critter Facts, Fish Facts, Jellyfish Facts

The phantom jellyfish, aka giant phantom jelly, is the only known species in the genus of deep sea jellyfish, Stygiomedusa. They belong to the Ulmaridae family. While not currently evaluated by the IUCN,

The Largehead Hairtail

28 October, 2025
Critterman
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Daily Critter Facts, Fish Facts

The largehead hairtail, aka beltfish, Atlantic cutlassfish, Pacific cutlassfish, or Japanese cutlassfish, is a predatory elongated fish that can be found off the shores of every continent, sans Antarctica. They face the threats of

The Black Musselcracker

22 October, 2025
Critterman
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Daily Critter Facts, Fish Facts

The black musselcracker hails from the Atlantic and Indian Oceans off of South Africa. These fish are ray-finned, which are in the bony fish classification. Due to high residency, slow growth, late maturity, longevity, and hermaphroditism (being both male and female), they suffer from overexploitation. Male and female sex ratios […]

The Predatory Muskellunge

1 October, 2025
Critterman
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Daily Critter Facts, Fish Facts

The muskellunge, aka muskie, musky, ski, or lunge, is the largest predatory species of pike in North America. Being the largest pike also has its disadvantages, too. These fish are threatened by habitat loss and destruction at the hands of