Fish You Definitely Don’t Want to Hook While Deep Sea Fishing
- Flying Fishman
- 5 days ago
- 4 min read
Deep sea fishing is a thrilling adventure, bringing anglers face to face with the vast riches of the ocean. While most fish are sought after for their taste or the sport of catching them, some species can put a serious damper on your day out at sea. These fish might be dangerous, undesirable, or simply unappetizing. This post highlights the top fish to avoid when deep sea fishing, helping you to make the most of your time on the water.
Understanding the Risks
Before you set sail, it is important to recognize which fish may spoil your deep sea fishing experience. Some species can be harmful, either through toxic bites or nasty defenses, while others have strict regulations that can lead to hefty fines. A quick overview of these risks ensures you can fish more safely and effectively.
Venomous or Toxic
Stay alert for fish that are venomous or toxic. For instance, fish like the lionfish and pufferfish can harm you if not handled correctly.
Regulatory Challenges
Be mindful of species that are highly regulated, such as cod and snapper. Not only can catching them lead to penalties, but it can also waste valuable fishing time.
1. Lionfish
Lionfish stand out for their striking appearance and intimidating venomous spines. Originally from the Pacific, they’ve invaded the Caribbean and Atlantic.
Their venom can cause extreme pain, swelling, and discomfort. In fact, a lionfish sting can feel like a severe burn. While they are edible and enjoyed in culinary dishes, catching them is best left to skilled anglers who know how to handle them. If you're interested in pursuing this species, it's crucial to wear protective gloves and use specialized equipment.

2. Barracuda
Barracuda are aggressive predators equipped with razor-sharp teeth. While not necessarily dangerous to eat, larger barracudas can harbor ciguatera toxin, which can lead to severe poisoning.
Statistics show that nearly 20% of barracuda caught in warm waters may contain this toxin. The aftermath of consuming a toxic barracuda can involve weeks of illness. Plus, reeling in a barracuda can be risky due to their erratic movements. It’s advisable to keep a safe distance and let them swim away without a struggle.
3. Puffers
Pufferfish have a unique ability to inflate, but they also carry the potent toxin tetrodotoxin, which can be fatal if ingested.
In fact, tetrodotoxin is estimated to be up to 1,200 times more toxic than cyanide. Only highly trained chefs can prepare certain pufferfish species safely. For most anglers, the risks of catching a puffer far outweigh any potential culinary rewards.
4. Shark Species
While some anglers chase the thrill of shark fishing, not all shark species are safe or legal to catch. Great Whites, Bull Sharks, and Hammerheads are just a few of the species that are both dangerous and often protected by law.
These apex predators can react aggressively when caught, making encounters risky. With shark populations in decline—over 70% of shark species are threatened—it's wise to practice catch-and-release, or better yet, target smaller fish.
5. Cod
Though cod is a popular catch, it’s highly regulated, which can vary across regions. Some areas have strict size limits and specific fishing seasons that are enforced with hefty fines.
Fishing for cod without knowledge of local regulations can lead to complications. Instead, target fish that are plentiful and more liberally regulated.
6. Ray Species
Rays, particularly Manta Rays and Stingrays, should be avoided. While their graceful movements are awe-inspiring, many species are protected.
Not only can ray fishing result in painful stings, but laws protecting these creatures mean you could face penalties for catching one. It’s best to admire them from a safe distance.
7. Triggerfish
While triggerfish can occasionally make for a tasty meal, their tough skin and strong jaws make them a challenging catch.
Many anglers experience frustration when attempting to reel in a triggerfish, as they can often break lines or escape with ease. Knowing how to identify and handle them is important, but for many, the risks outweigh the reward.
8. Snapper Species
Snapper are highly prized, yet certain species like Dog Snapper can be regulated or toxic due to ciguatera.
Understanding the specific snapper species in your fishing ground is crucial. Encountering both edible and toxic variations can lead to disappointment and wasted time if you’re not prepared.

Final Thoughts
Deep sea fishing offers excitement and the potential for impressive catches. However, knowledge of which fish to avoid is essential for a safe and enjoyable experience.
From the venomous lionfish to risky species like pufferfish and barracuda, being aware of what to steer clear of can make all the difference. This awareness not only enhances your fishing success but also keeps your adventure enjoyable and stress-free.
With these insights in mind, you’re better prepared to embrace the adventure of deep sea fishing. Enjoy your time on the water and happy fishing!