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.
2Other/Mixed Breed
I have 2 male Axolotl looking for new homes. Both healthy and eating earth worms. Need new home through no fault of their own. They're almost 2 years old and I'd like them to go together as they get o
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
3Other/Mixed Breed
I have loads of Rainbow Kribs forsale ready now collection only male and female lovely babbies and grown on well 4 for £8
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
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.
353Other/Mixed Breed
Manchester Pet's and Aquatics, 66-70 Stockport Road, Manchester M12 6AL Open 7 days a week, 363 days a year. Updated 31/05/26 Aquatic Stock List **Tropical Section** *Tetra/Characin* Rosy Black Neo
31Other/Mixed Breed
Great first start tank comes with rocks filter brand new and male guppys beautiful colours fish tank brand new would be great for a first tank
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