This list contains 26 pets and domestic animals starting with G, from “Galah” to “Gyrfalcon”. They range from small companion mammals to birds kept for hobby, eggs, or sport.
Pets and domestic animals that start with G are species people keep for companionship, production, or traditional uses. Many cultures prize the Galah for its tame nature, while the gyrfalcon holds historic status in falconry.
Below you’ll find the table with scientific name, typical adult size (cm), and classification.
Scientific name: Provides the Latin species name so you can confirm identity and compare other references quickly.
Typical adult size (cm): Gives an average size range in centimeters so you know expected adult measurements for housing and care planning.
Classification: Shows the broad group (Mammal, Bird, Reptile, Fish, Arthropod) so you can sort by type and care needs.
Pets and domestic animals that start with G
| Name | Scientific name | Typical adult size (cm) | Classification |
|---|---|---|---|
| Galah | Eolophus roseicapilla | 35 | Bird |
| Gargoyle Gecko | Rhacodactylus auriculatus | 20–23 | Reptile |
| Garter Snake | Thamnophis sirtalis | 50–75 | Reptile |
| Gayal | Bos frontalis | 250–300 | Mammal |
| Gerbil | Meriones unguiculatus | 10–12 | Mammal |
| Ghost Shrimp | Palaemonetes paludosus | 2.5–4 | Arthropod |
| Giant African Millipede | Archispirostreptus gigas | 20–30 | Arthropod |
| Giant Day Gecko | Phelsuma grandis | 22–30 | Reptile |
| Giant Gourami | Osphronemus goramy | 45–70 | Fish |
| Goat | Capra hircus | 110–140 | Mammal |
| Goldfish | Carassius auratus | 10–35 | Fish |
| Golden Pheasant | Chrysolophus pictus | 90–105 | Bird |
| Goliath Birdeater | Theraphosa blondi | 12 | Arthropod |
| Goose | Anser anser domesticus | 75–90 | Bird |
| Gouldian Finch | Erythrura gouldiae | 12–14 | Bird |
| Grasshopper | Schistocerca americana | 4–7 | Arthropod |
| Green Anole | Anolis carolinensis | 12–20 | Reptile |
| Green Cheek Conure | Pyrrhura molinae | 25–27 | Bird |
| Green Iguana | Iguana iguana | 120–180 | Reptile |
| Green Tree Python | Morelia viridis | 150–200 | Reptile |
| Green-winged Macaw | Ara chloropterus | 90–95 | Bird |
| Grey-cheeked Parakeet | Brotogeris pyrrhoptera | 19–21 | Bird |
| Guineafowl | Numida meleagris | 50–60 | Bird |
| Guinea Pig | Cavia porcellus | 20–25 | Mammal |
| Guppy | Poecilia reticulata | 3–6 | Fish |
| Gyrfalcon | Falco rusticolus | 48–65 | Bird |
Descriptions
Galah
An intelligent and social Australian cockatoo, known for its pink and grey plumage and playful personality. Galahs can be very affectionate pets but require significant social interaction.
Gargoyle Gecko
Native to New Caledonia, this gecko is a popular pet known for the small horns or bumps on its head. It is relatively easy to care for, has a calm temperament, and thrives on a prepared diet.
Garter Snake
One of the most common pet snakes in North America. They are relatively small, active during the day, and can become quite tame with regular, gentle handling, making them great for beginners.
Gayal
A large domestic bovine from Southeast Asia, also known as the mithun. It is kept for meat and holds significant cultural importance, but is not typically a companion pet.
Gerbil
The Mongolian Gerbil is a small, social rodent that makes an active and curious pet. They are known for their love of burrowing and are best kept in pairs or groups to thrive.
Ghost Shrimp
A small, transparent freshwater shrimp popular in aquariums. They are excellent scavengers that help keep tanks clean and are fascinating and very easy to care for.
Giant African Millipede
One of the largest millipede species, this gentle giant is a popular and low-maintenance invertebrate pet. It’s fascinating to watch and handle, feeding on decaying wood and vegetables.
Giant Day Gecko
A brilliantly colored lizard from Madagascar, known for its bright green body and red markings. They are active and beautiful display animals but are too delicate for frequent handling.
Giant Gourami
A very large freshwater fish from Southeast Asia. While sometimes kept in massive home aquariums, its size makes it a challenging pet. It is also an important food fish in its native region.
Goat
One of the earliest domesticated animals, kept for milk, meat, and fiber. Smaller breeds are increasingly popular as intelligent, curious, and playful companion pets on homesteads.
Goldfish
A domesticated carp and one of the world’s most popular aquarium and pond pets. With proper care, they can grow quite large and live for many years, contrary to common belief.
Golden Pheasant
A brilliantly colored game bird native to China, often kept in aviaries for its stunning appearance. The male’s vibrant plumage makes it a favorite among bird enthusiasts.
Goliath Birdeater
One of the largest spiders in the world by mass. Despite its intimidating name, its diet consists of insects and it is a popular tarantula for experienced keepers.
Goose
Domesticated waterfowl kept for meat, eggs, and down feathers. Geese are known for their intelligence and strong personalities, often acting as effective “watchdogs” on farms.
Gouldian Finch
A small, exceptionally colorful finch from Australia. Valued for its quiet nature and stunning, multi-colored plumage, it is a popular choice for cage and aviary bird keepers.
Grasshopper
Often kept as a simple pet for children or as a food source for other animals. Observing their life cycle can be educational, but they are typically short-lived as pets.
Green Anole
A small, common pet lizard from the southeastern United States, famous for its ability to change color from green to brown. They are active and interesting to watch in a terrarium.
Green Cheek Conure
A small, popular parrot from South America. They are known for their playful, affectionate, and relatively quiet nature compared to other parrots, making them a great companion bird.
Green Iguana
A large, herbivorous lizard that can be a rewarding pet for experienced keepers. They require very large enclosures, specific diets, and proper lighting to thrive in captivity.
Green Tree Python
A vibrant green snake from New Guinea and Australia. Known for its unique habit of coiling on branches, it’s a stunning display animal for experienced reptile keepers.
Green-winged Macaw
One of the largest macaw species, known for its intelligence and gentle nature. This “gentle giant” is a popular large pet parrot but requires a committed, experienced owner.
Grey-cheeked Parakeet
A small, affectionate parakeet from South America. They are known for being playful and can bond closely with their owners, making them charming companion birds.
Guineafowl
A domesticated bird native to Africa, often raised on farms for its meat and eggs. They are also useful for pest control and make loud calls when alarmed.
Guinea Pig
A domesticated rodent from the Andes, popular worldwide as a gentle and sociable pet. Guinea pigs are known for their vocalizations, or “wheeks,” and are great for families.
Guppy
A small, colorful, and hardy freshwater fish, extremely popular with beginner aquarists. They are livebearers, meaning they give birth to free-swimming young, and breed very easily.
Gyrfalcon
The largest of the falcon species, prized in falconry for its size and power. Kept by licensed falconers for hunting, it’s a specialized working animal, not a typical pet.