Fish Species: The Ultimate Guide for 2025

May 23, 2025 | 42 minute read
Reading Time: 42 minutes

If you’re curious to learn more about the top freshwater and saltwater fish species in the world, this is a great starting point. It’s always wise to know your target, and this article will give you a short overview of numerous fish, including the basics of how to pursue them.

A photo featuring an angler wearing a cap and a pair of sunglasses while sitting on a charter boat and holding one of the most famous inshore fish species, Snook
Photo courtesy of Hooknreel Fishing Charters

In the following sections, you’ll learn more about the most popular catches, their characteristics, whereabouts, and tips on how to reel them in. We’ll also give you a list of several must-fish hotspots for each fish to help you kick off your angling adventure. Bear in mind that there are more fish species than we can count, so the list below isn’t definite but ever-growing and ever-expanding.

Explore Fish Species

Saltwater Fish Species

Saltwater fish species range from small inshore dwellers to colossal deep sea predators. Many saltwater residents are famous for their vibrant colors and picture-perfect looks. But most importantly, they can grow to trophy sizes and are almost always considered excellent sport fish. We’ll focus precisely on this group and give you a quick breakdown of the most popular game fish and their characteristics.

Freshwater Fish Species

Freshwater fish species have a reputation for being elusive. But this is only true to a certain extent. When you understand their eating habits or hiding corners, for example, those freshwater trophies become readily available. So, here are some essential pieces of information about how to recognize, find, and fish for the most sought-after freshwater fish species.

Did you find the fish species you were looking for? What game fish would you like to know more about? What fish from the list do you find the most interesting? Hit the comment button below and share your thoughts with us.

Author profile picture

Tanja started her journey at FishingBooker 8 years ago working closely with our guides and captains. Quickly mastering the ropes, she moved up to an Account Manager role before diving into her true passions – fishing and writing. Tanja got hooked on angling in 2016 after reeling in her first fish from the Mediterranean Sea. Since then, she’s tried everything from deep sea and bottom fishing to shore casting and fly fishing, catching species like Mahi Mahi, Dentex, and Asp along the way.

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