Guppies, belonging to the Poeciliidae family and the Poeciliidae genus, are a popular tropical ornamental fish. They are small, brightly colored, come in many varieties, and are gentle and easy to care for, making them one of the most popular aquarium pets worldwide.

So, which guppies are currently the most popular? Below is a list of ten popular guppies, including tuxedo guppies, grass tail guppies, mosaic guppies, platinum guppies, solid color guppies, metallic guppies, snake king guppies, and swordtail guppies. Let's take a look!
1. Guppy Dress
Tuxedo guppies are considered the "aristocrats" of the guppy family, boasting an elegant and sophisticated appearance. Their distinctive feature is a solid-color hindquarters, such as black, dark blue, or another single hue, with broad, gracefully lined tail and dorsal fins, resembling a magnificent gown, hence their name. Common color variations include red-tailed, blue-tailed, yellow-tailed, black-tailed, and neon tuxedo guppies, with the yellow-tailed variety being the most well-known. This breed is gentle, adaptable, and active, making it suitable for beginners. Its only drawback is its relatively short lifespan.
2. Grass-tailed Guppy <br />The grass-tailed guppy is a species bred by Japanese aquarists. It gets its name from the speckled patterns on its tail fin that resemble flowing grass leaves. The tail fins come in various colors, divided into standard tails and transparent glass tails. The latter presents a unique, shimmering beauty. Common colors include red, blue, and yellow, with blue grass-tailed guppies being the most common and popular. Grass-tailed guppies are docile, colorful, easy to keep, and highly adaptable.
3. Mosaic Guppy <br />This fish has a richly colored tail fin with patterns that resemble a mosaic, including shades of red, blue, black, and yellow. The tail fin patterns are mostly spots, rings, or lightning bolts. Mosaic guppies are not only beautiful in appearance but also lively and agile, with a gentle temperament. They are omnivorous, easy to keep and breed, and are a common choice for aquarium enthusiasts.
4. Platinum Guppy <br />Platinum guppies are renowned for the metallic sheen covering their bodies, making them one of the most highly valued ornamental species. The upper part of their bodies often displays a metallic blue or light blue reflection, with some species evolving into "galaxy" or "Medusa" patterns. A standard platinum guppy should ideally have its entire body covered in platinum, including the fins. This species is relatively easy to keep and suitable for home aquariums.
5. Solid Color Guppies <br />Solid color guppies exhibit a uniform hue from head to tail, without any other colors, making them a highly recognizable type of guppy. Common varieties include all-red, all-blue, all-white, all-black, Moscow blue, and red-tailed albino. These guppies are not demanding in terms of environment, are highly adaptable, and suitable for beginners. However, attention should be paid to water temperature changes to avoid excessive temperature fluctuations.
6. Metallic Guppy <br />Originating in Russia, the metallic guppy is highly regarded for its unique metallic blue coloration on the front half of its body. This coloration is not only aesthetically pleasing but also serves as a health indicator: when the fish is unwell, the metallic patches will darken or even turn black. Males are small, about 3 cm in length, with their tail fin making up most of their body length; females can reach 6 cm in length. They are prolific breeders and easy to keep.
7. Snake King Guppy <br />The Snake King Guppy, also known as the Cobra Pattern Guppy, is covered in snake-like spots with a natural, flowing pattern. Some varieties even have a metallic sheen. A good Snake King Guppy has fine, evenly distributed patterns; vertical stripes indicate genetic degeneration. This fish is lively and easy to keep, making it a good choice for beginners.
8. Swordtail Guppy <br />Swordtail guppies possess a distinctive "sword-shaped" tail fin, with a long, straight tail that is highly recognizable. Common forms include top swordtail, bottom swordtail, and double swordtail, with the double swordtail being the most common. Males are brightly colored, while females are more silvery-gray. This species is docile and easy to keep, but its tail fin is easily damaged, so sharp objects should be avoided in its enclosure.
9. Ancient Guppy <br/>Although named "ancient," this is actually a relatively new species that has emerged in recent years. This fish combines features of snake king and mosaic patterns, with black spots near the pectoral fins and a multi-colored tail fin that displays a blurred yet highly artistic texture, making it a favorite among experienced enthusiasts.
10. Leopard Guppy <br />The Leopard Guppy originates from South America and is an extension of the Grass Tail Guppy. It gets its name from the leopard-spot-like markings on its tail fin. Its body color is mostly yellow, and the tail pattern is distributed like flowing water. This type of fish is active, adaptable, and reproduces quickly, making it quite common in the aquarium market.
These are brief introductions to the top ten most popular guppies, each with its own unique charm and care characteristics. Whether you are a beginner or an experienced aquarist, you can choose the guppy strain that suits your personal preferences to make your aquarium vibrant and colorful. Which one do you like best? Feel free to leave a comment and share.