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.
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.
5Other/Mixed Breed
Axolotl babies Looking for new homes. Mum albino dad melanoid babies are melanoid, wild, Lucy's albino and golden albino. 3 months old fully transitioned onto pellets earthworms and bloodworms. Ready
Other/Mixed Breed
I have a Juwel Rio 125 LED tank bought March 2025. All fish, nerite snails, rabbit snail, shrimp, plants, accessories are included along with any left over food, filters and the like as I sadly don't
5Other/Mixed Breed
Baby axolotl ready for new homes black and pink available . small but eating well collection only from treharne barry cf631rb
Other/Mixed Breed
I have baby axolotl for sale. Currently eating well. Still eating live food so can go when eating frozen food. They are all quite light in colour, possibly dirty Lucy or leuciestic type
152Other/Mixed Breed
For sale is a premium, fully established 160L professional aquascaping setup. This is a high-spec "plug-and-play" system featuring top-tier equipment and a healthy, vibrant community of fish and plant
6Other/Mixed Breed
Axolotls between 4-5" long looking for a new home. Currently feeding well on Axolotl pellets. Collection Axminster, Devon