Mixed breed or hybrid aquarium fish are produced when two closely related species cross-breed, either naturally in a shared tank or through deliberate selective breeding. Some of the most familiar hybrid fish in the hobby include the Parrot Cichlid, the Blood Parrot, and the Flowerhorn Cichlid, all of which were developed through selective hybridisation for their unusual body shapes and vivid colouring. Natural hybrids also occur among livebearers such as guppies, mollies, and swordtails, which can readily interbreed when housed together, producing offspring with varied fin shapes and colour patterns.
Hybrid fish can display a wide range of appearances and temperaments depending on their parent species, and they often exhibit hybrid vigour — a tendency towards robust health and faster growth than either parent line. However, they are generally not suitable for breeding programmes aimed at maintaining pure species lines, and many aquarium societies discourage their sale alongside pedigree stock. For casual fishkeepers, mixed breed fish can be excellent and characterful aquarium inhabitants, offering unique appearances and interesting behaviour at competitive prices. As with all aquarium fish, their care requirements depend on the parent species involved, so researching the likely traits of both parent breeds — water chemistry preferences, diet, tank size, and compatibility with other fish — is important before purchase.
3Other/Mixed Breed
Hello, I got colourful guppies easy to look after Black pair -6£ Citrus/ pair-6£ Red male-3£ Blue femaile -3£ Pink snails 1£ Endler Red fern 1£ Red shrimps 2,5£ These are tropical fish. 2 corodir
5Other/Mixed Breed
Guppies for sale £2 each 5 Medium 6 weeks old 5 Small 2-3 weeks old 5 Babies a few days old I have another fish currently pregnant
5Other/Mixed Breed
Approximately 25 healthy female guppies (male guppies also available in another tank) Filters x2, heater, and accessories in a 62 x 52 x 40cm tank. Viewing and questions welcome
2Other/Mixed Breed
Very beautiful fish to choose from all healthy guppies plecos £1 each collection from Thetford text for more information
3Other/Mixed Breed
Includes filter, heater, gravel, stones, some plants and some fish. Been established for 3 years and the guppies breed every few weeks. There are some assassin snails.
6Other/Mixed Breed
Hello, I have about 100 pairs of long tail guppies for sale, they have different colors and patterns, pair x1 male and x1 female £3
2Other/Mixed Breed
VARIOUS TROPICAL (FRESHWATER) FOR SALE LISTED COLLECTION ONLY M41 URMSTON MANCHESTER RED TAIL GUPPIES YELLOW TAIL GUPPIES DRAGON HEAD GUPPIES BLUE NEON GUPPIES APISTOGAMMA SUPER RED MALE FEMALE
4Other/Mixed Breed
Guppies for sale, started of with 5 and now have around 20 no looking to sell all of them - mixed ages - mixed sexs - £3 each
Other/Mixed Breed
There is a mix of guppies and a snail and shrimps in the tank. Comes with filter, temperature thermostat, heater, air pump
2Other/Mixed Breed
We started with 5, and now we have over 50! We need some guppies going to a good home. have a range of ages from babies to adults!
Other/Mixed Breed
Blue Acaras - £3 each, 5 for £12, 10 for £20 4 guppies - £1.50 each Male bettas - £8 each, 2 for £15 Female bettas - £4 each, or 5 for £16 Red and yellow shrimp - £1.50 each, 8 for £10 Apistog
6Other/Mixed Breed
Comes with lots of decors It does have a few Guppies and one gourami. Heater air pump gravel Fluval 206 external filter (no media trays) working well without trays
131Other/Mixed Breed
Beautiful guppies for sale. Come from home tanks. 1 year to 6 months old. Males and females available. 10 fish for £10. Collection only.
5Other/Mixed Breed
I am selling my fish tank which comes 50 guppies. Also included are all the decorations, motor and filter. I will also give you my cleaning accessories