This list includes 14 Pets and domestic animals that start with X, from “X-ray Tetra” to “Xylotrupes Beetle”. These entries mostly cover small aquarium fish, beetles, and a few birds and mammals kept for companionship or hobby.
Pets and domestic animals that start with X are animals commonly kept by people for companionship, display, or small-scale husbandry. Notably, Xylotrupes beetles are prized in some Asian hobby cultures for display and contests.
Below you’ll find the table with Common name, Scientific name, Size (cm) and Classification.
Common name: The everyday name you see for the animal, helping you quickly identify species in trade or casual reference.
Scientific name: The Latin binomial lets you confirm the exact species and avoid confusion between similar common names.
Size (cm): Typical adult length or height in centimetres, so you can judge space and care needs.
Classification: Broad group (Mammal, Bird, Reptile, Fish, Arthropod) that shows basic care and biology differences.
Pets and domestic animals that start with X
Name
Scientific name
Typical adult size (cm)
Classification
Xoloitzcuintli
Canis lupus familiaris
25–58
Mammal
X-ray Tetra
Pristella maxillaris
4–5
Fish
Xenopus Frog
Xenopus laevis
10–13
Amphibian
Xiphophorus Swordtail
Xiphophorus hellerii
10–14
Fish
Xiphophorus Platy
Xiphophorus maculatus
4–6
Fish
Xingu River Ray
Potamotrygon leopoldi
60–75 (disc width)
Fish
Xenagama Lizard
Xenagama spp.
8–15
Reptile
Xenopeltis Snake
Xenopeltis unicolor
75–100
Reptile
Xenotilapia Cichlid
Xenotilapia spp.
8–15
Fish
Xylotrupes Beetle
Xylotrupes spp.
4–8
Arthropod
Xiasi Dog
Canis lupus familiaris
45–55
Mammal
Xiangcheng Horse
Equus ferus caballus
120 (height)
Mammal
Xalda Sheep
Ovis aries
50-70 (height)
Mammal
Xilin Gol Horse
Equus ferus caballus
140 (height)
Mammal
Descriptions
Xoloitzcuintli
An ancient, hairless dog breed from Mexico, also known as the Xolo. They are loyal, intelligent, and known for their calm and alert nature, making them excellent companion animals.
X-ray Tetra
A small, peaceful freshwater fish popular in community aquariums. Its semi-transparent body, which reveals its backbone, is the source of its unique name. They are hardy and great for beginners.
Xenopus Frog
A fully aquatic frog, also called the African Clawed Frog. Hardy and easy to care for, they are long-lived and popular pets for home aquariums, known for their unique feeding behavior.
Xiphophorus Swordtail
A popular live-bearing aquarium fish. Males are famous for the long, sword-like extension on their lower tail fin. They are active, colorful, and a staple in the freshwater fish hobby.
Xiphophorus Platy
A vibrant and peaceful live-bearing fish, ideal for beginner aquarists. Closely related to the swordtail, they come in countless color varieties and are very easy to breed in a home aquarium.
Xingu River Ray
A stunning but demanding freshwater stingray from Brazil’s Xingu River, known for its black body and white spots. It is a specialist pet for very large, dedicated aquarium setups.
Xenagama Lizard
A small, stout-bodied lizard from Africa, also known as the Shield-tailed Agama. They are known for their unique behavior of using their spiny tail to block the entrance to their burrows.
Xenopeltis Snake
Known as the Sunbeam Snake, this non-venomous burrowing snake has highly iridescent scales that shimmer with rainbow colors in the light. They are shy but make fascinating pets.
Xenotilapia Cichlid
A genus of sand-sifting cichlids from Lake Tanganyika in Africa. They are prized by aquarium hobbyists for their subtle beauty, interesting behaviors, and peaceful temperament in species-appropriate tanks.
Xylotrupes Beetle
A large rhinoceros beetle, often kept as a pet, especially in Asia. Males have impressive horns used for display and fighting rivals. They are relatively easy to care for as both larvae and adults.
Xiasi Dog
A lean, muscular hunting breed from Guizhou, China. They are valued for their loyalty, intelligence, and calm temperament at home, originally bred for guarding and hunting.
Xiangcheng Horse
A small, hardy pony breed from Sichuan, China, well-adapted to high-altitude mountain environments. It is a domestic animal primarily used for riding and as a pack animal in its native region.
Xalda Sheep
An ancient and rare domestic sheep breed from Asturias, Spain. They are small, hardy, and known for their dark wool and adaptability to mountainous terrain, preserved by breed enthusiasts.
Xilin Gol Horse
A domestic horse breed developed in Inner Mongolia, China. Known for its speed, stamina, and dual-purpose use for both riding and light draft work on the Mongolian steppe.
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