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Allenbatrachus grunniens

Allenbatrachus grunniens
Grunting Toad Fish
It's also known as the grunting toadfish, due to its ability to produce audible grunt-like sounds. These are produced by the fish vibrating its swimbladder rapidly, and are used both when it feels threatened and in spawning behaviour. Other commonly applied names include freshwater scorpionfish and freshwater stonefish. Like the more famous marine stonefish, it possesses poisonous spines. These are located located at the front of the dorsal fin and on the gill covers. However unlike its lethal cousin the sting of Allenbatrachus grunniens is very weak, causing only mild irritation at worst. It goes without saying that due caution should be exercised when handling or moving the fish fopr any reason.