Pufferfish and Porcupine fish all over! | 水產百科網
2019年6月3日—PufferfisharepartoftheTetraodontidae.Theyarecharacterisedbythinhiddenspinesthatonlyshowwhentheypuff.TheDiodontidaehavelarge ...
They do it as a defence mechanism. Pufferfish and friends are quite good at manoeuvring their body. The coalition of their pectoral, dorsal, lateral and caudal fins gives them good control for foraging food consisting of algae and small invertebrates and do sharp turns, unfortunately, they are relatively slow and non powerful swimmers. It is perfect for their feeding habits but on the down side it makes them easy targets for predators. When they puff they confuse the predator that was expecting a smaller and slimmer fish.
Porcupine fish have their large spines pointing outward when they puff making them even scarier to predators than puffers.
Puffing up is not the only defence mechanism. Before using this technique, they will try to use their ability to do sudden evasive burst which, affiliated with their good eyesight makes it their most common defence technique.
Their last na...
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