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
Very beautiful fish to choose from all healthy guppies plecos £1 each collection from Thetford text for more information
3Other/Mixed Breed
I have 2 silver arowana for sale one around 11 inch and the other around 8 inch I need them gone as soon as possible please
21Other/Mixed Breed
Guppies & x2 Mollys for sale! X5 adult guppies - £2 a piece X2 female Mollys - £1 a piece £10 for the lot! Collection only , Daventry Brought as males guppies but must have been 1/2 females in
3Other/Mixed Breed
Aquaela 70 tank with accessories less than six month old . Must go with the cold water fish included- hence price
114Other/Mixed Breed
We sadly need to find a new home for our beautiful Bellatrix. Bella is a lovely girl. She's used to daily interactions and lots of attention! She's been very well cared for and loved. Axolotl are fabu
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
1Other/Mixed Breed
Tire track eel baby, unfortunately mis sold to me as a smaller species and when he grows I won't be able to upgrade the tank - they need 450l minimum. He is so friendly and our absolute heart, but we
31Other/Mixed Breed
As they are fry right now they will be ready in 1-2 months. There is a mix of kribensis, as you can see they will be a mix of bright colours like their parents. 1 for £6 prices can be discussed.