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.
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
61Other/Mixed Breed
I have about 50 tropical fish all looking for new waters Including many breeds of tetra, barb, platys Bottom feeders, corys, shark Balloon Mollys standard Molly Leopard bush fish and gouramis

Other/Mixed Breed
I have 1 Goliath tiger fish and 2 vittatus tiger fish for sale. Approximately 6 inches in length. Feeding well on live feeder fish and frozen white bait and prawns. Price is per fish.
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 07/04/26 Aquatic Stock List FISH OF THE WEEK - FLAME, ROSY, YELLOW PHANTOM TETRA
2Other/Mixed Breed
Had her since 2013, believed to be female. Roughly 15cm long. Some scratches from trying to squeeze into spaces she doesn’t fit and fighting my Texan. Price on nearest offer. Collection only, m
2Other/Mixed Breed
Beautiful Mix African malawi white cichlids for sale baby. 40 malawi white cichlids.1-2cm length. Please ask any questions. Collection from M16 Each £2
81Other/Mixed Breed
120L Fully established fish tank with various live coral and tropical fish. Fish; • 1x Clown fish • 1x Blenny • 1x pistol shrimp • 1x goby • 1x hermit Crab • 1x Royal Gramma • 1x Blue Chromi
4Other/Mixed Breed
Standard & endler guppy Sizes vary small/fry/adult Colors vary Healthy and ready to go Reason for sale is because I want a new community set up Just provide ur own fish bag