Meet the infamous triggerfish! 🌊 These fish create nests in soft sand on the ocean floor, right out in the open. With an exposed nest creating a wide area for the fish to defend, some – such as the titan triggerfish – are known for their aggression towards intruders. Have you encountered a triggerfish while diving? Let us know your experience in the comments below! 📺: Australian Geographic Extraordinary Animals is now airing on NITV on Sunday nights at 7.30pm. Episodes are available to stream

Triggerfish, known for their tough, armor-like skin and diamond-shaped scales, use their unique dorsal spines to defend themselves and wedge into crevices, making them difficult to dislodge or swallow. They are also known for their aggressive behavior, especially when guarding their nests. | Fishing World Tv

Triggerfish have scary teeth! Learn more about these aggressive, territorial fish in our Marine Life Encyclopedia: https://bit.ly/3oHm55Z | Oceana

The Clown triggerfish. The Clown triggerfish has got to be one of my favourite fish on the reef and is always incredibly relaxed. These little fish have trigger-like spines on the tops of their bodies that will pop when threatened, but they use it more like an anchor than anything else, locking them into small spaces to stop predators from getting to them. Post by Master Reef Guide Abby Marine Discoveries, Cairns | Master Reef Guides

Meet the queen triggerfish in Great Maya Reef! The name triggerfish comes from their ability to lock its dorsal fin. When upright, the dorsal-fin spine is locked in place by its second spine. The first spine can only be lowered after the second is pulled back, like a trigger! | Audubon Aquarium