Fish That Start With J

Fish That Start With J [Full List]

Fish enthusiasts are always on the lookout for unique and interesting species to add to their collections. And for those who love the letter J, there are plenty of fascinating fish to discover!

In this article, we will explore a collection of fish that start with J, from the beloved Jack Dempsey to the elusive Jellynose Fish. Whether you’re a seasoned aquarium owner or just getting started, this list is sure to inspire your next fishkeeping adventure!

Fish That Start With J

When it comes to fish that start with J, the variety is endless. From small and delicate to massive and powerful, these fish are as diverse as they are captivating. So, let us delve into the world of J-fish, and explore the unique traits and characteristics that make each species so special.


The epitome of piscine excellence, the Jack is a true master of the deep blue. A voracious predator, this fish commands respect from all who share its habitat. From the tip of its razor-sharp dorsal fin to the end of its muscular tail, the Jack is a sight to behold. With scales that shimmer like jewels in the sunlight and eyes that glint with intelligence, this is a creature that demands attention. It moves with a fluid grace that is both mesmerizing and intimidating, a reminder that it is a force to be reckoned with.


The Jackfish is a formidable creature that inhabits the waters of the world’s oceans. Its sleek, torpedo-like body is perfectly adapted for speed and agility, allowing it to dart through the water with ease. Its sharp teeth and powerful jaws make short work of prey, and its ability to change color and blend into its surroundings gives it a distinct advantage in the hunt. The Jackfish is truly a marvel of nature, a creature that embodies the grace and power of the sea.

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Jack Dempsey

The Jack Dempsey is a majestic fish that boasts a distinctive appearance and a fascinating history. Named after the legendary boxer of the same name, this fish is known for its aggressive nature and territorial behavior. With its large, dark eyes and intricate markings, the Jack Dempsey is a striking sight in any aquarium. This fish requires careful attention and a proper diet to thrive, but for those who are willing to put in the effort, the rewards are well worth it.

Japanese Eel

The Japanese Eel is a unique and fascinating creature that has captured the attention of fish enthusiasts around the world. Known for its long, slender body and distinctive coloring, this eel is a popular delicacy in many parts of Japan. Its life cycle is shrouded in mystery, as it spends most of its adult life in freshwater before making an epic journey to the ocean to spawn. The Japanese Eel is a testament to the resilience and adaptability of aquatic life.


The Javelin is a sleek and powerful fish that is native to the rivers and streams of South America. With its long, streamlined body and sharp, pointed fins, the Javelin is a formidable predator that strikes fear into the hearts of smaller fish. It is an excellent game fish that is prized by anglers for its strength and agility. The Javelin is a testament to the incredible diversity of fish species that can be found in the world’s waterways.


The Jawfish is a fascinating creature that is known for its unique behavior and physical attributes. This fish has an elongated body and a distinctive protruding lower jaw, which it uses to dig burrows in the sand. It is a shy and solitary creature that spends much of its time hiding in its burrow, but when it does venture out, it is a sight to behold. The Jawfish is a reminder that there is always more to learn about the wonders of the ocean.

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Jellynose Fish

The Jellynose Fish is a bizarre and enigmatic creature that inhabits the deep waters of the Pacific Ocean. This fish has a gelatinous, translucent body that is unlike anything else in the animal kingdom. Its long, tapering snout is covered in sensory organs that allow it to navigate its dark and treacherous habitat. Despite its otherworldly appearance, the Jellynose Fish is an important part of the ocean’s ecosystem, serving as both predator and prey.


The Jewelfish is a stunningly beautiful fish that is prized by aquarium enthusiasts for its vibrant colors and distinctive markings. With its shimmering scales and graceful movements, this fish is a joy to watch. The Jewelfish is a peaceful species that is best kept in small groups, and it requires a well-maintained aquarium with appropriate water conditions and plenty of hiding places. Despite its delicate appearance, the Jewelfish is a hardy species that can thrive with proper care, and it is a true gem in the world of ornamental fish.

Jewel Tetra

The Jewel Tetra is a small but strikingly beautiful fish that is native to the Amazon Basin in South America. With its brilliant iridescent scales and bright red eyes, this fish is a true jewel of the aquatic world. It is a peaceful species that is best kept in a school of six or more, and it requires a well-planted aquarium with soft, slightly acidic water. The Jewel Tetra is a reminder that even the smallest creatures can possess incredible beauty and charm.


The Jewfish, also known as the Goliath Grouper, is a massive fish that can reach lengths of up to eight feet and weigh over 800 pounds. This species is found in the warm waters of the Atlantic Ocean and the Gulf of Mexico, where it is a prized game fish. Unfortunately, the Jewfish is also a critically endangered species due to overfishing and habitat destruction. Efforts are underway to protect and conserve this magnificent fish, but much work remains to be done.

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John Dory

The John Dory is a unique and fascinating fish that is native to the waters of the Mediterranean and the North Atlantic. This fish is known for its distinctive appearance, with a flat, round body and a large, spiny dorsal fin. The John Dory is a slow-swimming and solitary fish that feeds on smaller fish and crustaceans. It is a popular food fish that is prized for its delicate flavor and texture. The John Dory is a testament to the incredible diversity of fish species that can be found in the world’s oceans.

Jewel Cichlid

The Jewel Cichlid, also known as the African Jewelfish, is a stunning freshwater fish that originates from Africa. With its vibrant red and blue coloring, this fish is sure to add a pop of color to any aquarium. The Jewel Cichlid is a relatively small species, typically growing to about 4-5 inches in length. It is a hardy fish that is relatively easy to care for, making it a great choice for both beginner and experienced aquarists.

In the wild, the Jewel Cichlid can be found in slow-moving rivers and streams, where it feeds on a variety of small aquatic animals. In captivity, this species prefers a well-planted aquarium with plenty of hiding spots and open swimming areas. They are known to be territorial, so it’s best to keep them with other similarly sized and temperament fish. Overall, the Jewel Cichlid is a fantastic addition to any freshwater aquarium and is sure to impress with its brilliant coloration and captivating personality.


In conclusion, the world of fish that start with J is a vast and fascinating one. From the colorful and peaceful Jewelfish to the massive and endangered Jewfish, these creatures never cease to amaze us. Whether you’re a passionate aquarium hobbyist or simply appreciate the beauty and diversity of the natural world, there is something for everyone among the many J-fish species.

So why not explore the world of J-fish for yourself? With so many incredible species to discover and learn about, you’re sure to be captivated by the fascinating world of fish that start with J. Happy exploring!