10 Best Fish That Start With X

You might assume that only a few fish names begin with X, but that would be wrong. According to recent findings, There are about 80+ species of fish that start with X. These include a variety of fish with astonishing adaptation abilities to harsh environments of fresh and saltwater bodies.

What weird pet fish names right? Fish that start with X might be judged as very aggressive due to the cross in the name, but that’s not always the case. Let’s delve into a sea of sea creatures that start with x and get to know the unknown!

We know it’s a lot to unpack, but you can count on us as we are here to assist you. Let’s take a deep dive into these marine creatures’ unknown world, starting with X.

X Ray Tetra (pristella maxillaris)

This shimmery tropical star is found in South America’s Amazon and Orinoco basins. This x fish is also known as “Water Gold-flinch” and “golden pristella tetra.”

They wear a golden sheen on their skin and flanks with dazzling shiny bodies and black, white, and yellow streaks on their dorsal and anal fins. Along with all this beauty, they also have translucent bodies that make them see-through, making all their organs visible.

fish starting with X

X-ray tetras like to live in groups and form schools. They thrive in slow-moving streams and navigate in large numbers, finding safety in unity. We recommend having six of these in one aquarium. As for tank mates, most peaceful fish are compatible with these beauties as they have a calm nature.

Ideally, a tank with a slightly acidic or neutral water pH and a 74 – 80 degrees Fahrenheit temperature will be best. Adding driftwood, natural plants, and rocks can make the tank enjoyable for these little fishes. Diet is also no problem, as X-ray Tetras are not picky eaters. Pallets and occasional treats like bloodworms and shrimp will do the job.

This species of fish that start with x is just full of Wonders! With high adaptability to habitats habitat and seasonal migratory capabilities, this fish also houses a special bone structure called the “Weberian .” This structure allows it to slow its bones to amplify sounds and make predator detection efficient.

Xyrichtys pastels

This vibrant fish starting with x lives on the coral reefs of Lord Howe Island and the surrounding coral sea on the eastern coast of Australia. Due to its specific locality, it is widely known as the Lord Howe Sandy.

These coastal jesters add a touch of color and vibrancy to the reefs with a blend of soft colors. Their body shimmers with multiple hues and shades of yellow, orange, pink, and sometimes blue. The contrasting red, orange, and yellow fins make them stand out, attract mates, and show dominance in the reef domain.

fish name starting with x

Due to its secretive nature and specific habitat requirements, this fish could be better as a pet. It requires sandy waters with coral structures. This fish beginning with x, likes to spend most of its time tucked in coral crevices and usually comes out at twilight to forage and feed on small invertebrates like worms and crustaceans.

Recently, this fish has been undergoing a taxonomic twist, being reclassified under the genus Novaculops pastellus. However, more studies are still being conducted to categorize this species accurately.

Xiphias Gladius

Another fish starting with x is this menacing aquatic creature that originates from the Tropical waters of the Atlantic, Pacific, and Indian Oceans. This frightfish is known as swordfish or broadbill due to its long sword-like body and sharp flat bill.

This sea beast can be as long as 12 feet and weigh a whopping 1000 pounds. With a scaleless and torpedo-shaped body, this speedy fish can reach a maximum speed of 60 miles per hour, making it the “Third fastest ocean swimmer.”

fish starts with X

The show’s main star is the sharp bill, which isn’t just for show but is used effectively while hunting to stun and slash prey. Moreover, these fish are slightly warm-blooded with a circulatory system that allows them to maintain a higher body temperature than the surroundings; this allows them to dwell in more profound and colder parts of the sea.

Swordfish are also highly migratory, meaning that they can be found in a wide variety of tropical and temperate locations, especially across the Atlantic, Pacific, and Indian oceans. Due to their inert body temperature regulation, they can even dive to depths of about 7000 feet!

Swordfish is mostly a conserved fish that likes to keep it to itself. It is seen socializing with other swordfish only for mating, around 4-5 years old.

Unfortunately, this sea marvel is facing concerns due to overfishing and prized hunting. Although many steps are being taken to maintain the swordfish population, the species is still at risk of becoming extinct.

Xanthogramma Sand perch

This aquatic goofball is a resident of the coral reefs of the Central Pacific. Preferring to live on the sandy bottom of the reefs, this fish likes to eat from the ocean floor, thus the name “Sand-perch”. Because of its cute appearance, it has been nicknamed the “Grub fish” or “Yellow-banded sand perch”.

fish that start with x

Both the males and the females have small elongated bodies of a maximum of 17cm with translucent red hues. However, the males stand out because of the bright yellow bands across their cheeks. These bands are actually helpful in attracting partners for mating. Although the females lack the bright yellow bands, they do have unique brown freckle-like spots all over their bodies, which brings beauty and camouflage to the table.

Grubfish have a conserved nature, meaning they have a secretive lifestyle and little socializing. Residing at depths between 0 to 6 meters, they might be a potential sight for scuba divers, but the chances are pretty low. Still, some divers have managed to get a sight near the reefs of Fiji, Tonga, and Samoa.

While this fish is a colorful marvel, we would not recommend it as a pet due to its specific habitat, food, and sensitivity requirements. The diet usually involves small crustaceans and worms, making them carnivores.

Although these cute little sea creatures don’t seem like much, there is still much to uncover due to their shy nature and secretive lifestyle.

Xenaploactis Anopta

This tiny sea goth calls the Western Pacific and Eastern Indian Oceans home. With a cryptic lifestyle, this fish is known to dwell in dark, unknown depths. Due to its appearance and modified scales, it is widely known as “The Rough Velvetfish.”

This fish is very small, with a maximum size of 3.7 meters. Although small, the modified spikes on its body make up for the spink. These spikes are more prominent on the front side of the body and prove to be very useful for protection against predators as tiny spiny armor!

This tiny titan has a head full of spines and isn’t afraid to use them. Aggressive, this fighter is always ready to defend against predators.

This fish starting with X exhibits a very upturned mouth, which allows it to scoop up small crustaceans and worms easily from the bottom of the seabed. This facial characteristic is thought to be an evolutionary adaptation because of its feeding habits.

Due to its shrouded nature, most of its attributes are still unknown. However, with the information that has been uncovered, we suggest not having this fish as a pet because of its high maintenance, hard-to-replicate habitat, and growly appearance.

Xantic Sargo

This glittering fish beginning with x adds shimmer to the rocky reefs of the kelp forests of the Eastern Pacific Oceans. Living up to its name, this shiny fish is known as “Sargo.”

It wears shiny silver scales all over its body, making its body shine like silver vision, particularly when sunlight strikes through filtering water. Some even have a golden albino appearance, but silver is the most common. With a maximum length of 11 inches and weight of 10 pounds, this fish bedazzles calm and slow-moving waters.

fish that start with x

Their nature is yet to be understood entirely. Although they are not aggressive, they don’t have very interactive behavior toward humans. They do form small and loose aggregations while swimming, but large schools are not observed. This fish also behaves solitary at night.

Due to its behavior and open habitat, this fish is not considered an aquarium pet. These fish like to stay close to comfort and underwater structures, but as soon as night falls, these creatures become quick and agile hunters and prey on sandy seabed dwellers like kelps, seagrass, crustaceans, mollusks, and moss animals.

Although there isn’t much to the nature of this fish catching them is quite a catch! Even experienced anglers require effort and skill to see these quick and agile bait thieves, as they are seabed dwellers and fast to escape the net.

Xyrichtys verrines

This captivating fish calls the Coral reefs of the Indo-Pacific region home. Its splash of colors intrigues the sea dominion. Thus, it is known as the “three-banded razorfish” or the “Blue Razor Wrasse.”

It is turquoise or light blue and adorned with three horizontal stripes: the upper stripe is bright yellow, the middle one is deep blue, and the lower one is deep blue or reddish purple. The splash of colors is useful for attracting mates and showing dominance over the reef. In juveniles, these colors are lighter shades, but as they reach maturity, the coloration tends to be darker and more prominent.

These ocean oddities are pretty intelligent and live solitary until the mating season. The females can lay thousands of eggs simultaneously, while the males guard them until they hatch.

Despite the pop of color, this clever marine marvel is a master at camouflage. Just like a chameleon, this species can change its color to a slightly paler one to blend in with its surroundings and escape predators.

Based on the facts known about this reef inhabitant, we suggest not having this fish as a pet because of its high susceptibility to stress, territorial behavior, and hard-to-replicate habitat.

Their diet mainly contains small crustaceans, mollusks, and worms, making them carnivores. Their sharp teeth and eagle-like eyes help them spot and easily hunt prey in coral crevices.

Recently, this fish starting with X has been going through a taxonomic twist, being reclassified to genus Iniistius.

Xenichthys Xanti

This fish starting with X is indigenous to the eastern Pacific Ocean. Its range includes the Galapagos Islands, the southernmost point of Baja California, and the Gulf of California, all the way down to Peru.

This fish has a long body that is somewhat compressed on the sides. Its usual length is between 2.7 and 3.0 times its depth. Its mouth is small, terminal, and slanted, and its lower jaw sticks out slightly front. The eyes of the Xenichthys xanti are huge. Moreover, the flanks are silvery with golden highlights and have five or six longitudinal stripes ranging from golden to dark yellow. Its back is brownish-green.

These fish live in shallow waters, usually between 0 and 33 meters deep. They frequently swim in schools with other grunts and are found in places with sandy bottoms.

As nocturnal feeders, Xenichthys xanti are more active at night to search the seafloor for food. They primarily consume worms, tiny crustaceans, and other benthic invertebrates.

Xenichthys xanti is classified as a species of “Least Concern” on the IUCN Red List, meaning that stable populations are not in danger despite possible environmental stresses. This implies that they are comparatively resistant to the difficulties of the present.

Xiphophorus Hellerii

This beautiful freshwater fish is indigenous to Central America. Aquarium lovers love it for its distinguished extended caudal fin lobe, which resembles a sword; thus, it is widely known as the green swordtail.

One of the most striking features of the green swordtail is its look. The male swordtail has a unique long fin lobe that looks like a sword. Its slender body strengthens the resemblance. Frequently embellished in vivid colors such as orange or crimson, this “sword” lends an exquisite quality to its appearance. Females have a more rounded caudal fin and similarly attractive colors without the sword-like extension.

fish starting with x

This colorful swimmer is highly social and thrives in groups. We suggest having 6 to 8 of these in an aquarium. Although this fish adapts to the available space, having at least a 10-gallon tank will provide them with ample space to swim and play. Keep in mind that having a slightly harder alkaline pH and making a natural environment in the tanks will be ideal; adding small plants, driftwood, rocks, and hiding spots in the tank can be helpful.

These fish starting with X are interestingly live breeders, meaning they give birth to fully developed fry rather than laying eggs.

Green swordtails can enrich your aquarium for 3-5 years with proper care and maintenance. Their captivating colors, peaceful demeanor, and intriguing breeding behaviors make them a delightful addition to any home aquarium. 

Xenomystax eels

Last but not least in our list of fish that start with X, we have the eels. Xenomystax eels are exclusively located in a dark and frigid area extending from approximately 200 meters to 4,000 meters beneath the ocean’s surface. Due to this unique and dark habitat, they are also called abyssal eels.

fish starting with x

These wicked-looking eels have elongated bodies with slender and streamlined structures, making them excellent swimmers. Their eyes are very small, an adaptation to the low-light conditions of their gothic habitat. Some of these eels have bulbous snouts that act as sensory organs in the deep sea. In contrast to their scary looks, they have smooth skin with no scales at all, which allows them to move flexibly in the deep Sea currents.

Unfortunately, due to their remote residence, these eels are shrouded in mystery. Data about their diet, behavior, and anatomy are still limited, leaving much of the uncharted waters to the imagination.

Despite less human interaction and no hunting concerns, this species of eels might have decreased in population due to pollution that settles in the deep sea bed. Respective measures are being actively executed to minimize water pollution and conserve this deep sea marvel.

FAQ’s

What animals start with X ?
There are more than 80 fish that start with X. Some of them include

  1. Xenopus (African clawed frog)
  2. Xerus (genus of African ground squirrels)
  3. Xenops (a type of bird)

Although these are less common animals as compared to fish that start with other alphabets, the list is quite short compared to other letters of the alphabet.

What are some unique characteristics of fish starting with X ?
Fish starting with X comprise a wide variety of species! Some, such as the Hatchet fish, cast light on the shadows in their natural habitat, while others live in freshwaters directly under the sun.

Are there any X-named fish suitable for home aquariums ?
Yes! green swordtail fish also known as Xiphophorus Hellerii, is an aquarium fish. Many people keep it in their home aquariums.

Conclusion

Today we explored the most popular fish that start with X. Along with that, we also explored the intriguing characteristics that make these fish unique aquatic marvels. However, this guide is only a hint of the amazing water creatures that start with X. There’s much to discover, so keep up with our blogs and get to know more about the amazing aquatic world.

If you still have any questions, share your thoughts in the comments below. Start your journey with us, on an unknown endeavor of thousands of fish species inhabiting our planet!

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