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.
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Baby Axolotls – £15 Each Adorable nearly 4-week-old baby axolotls available now. Showing leucistic, albino and golden morphs. Healthy babies, feeding well and growing quickly. £15 each (price will inc
Other/Mixed Breed
Fluvel Flex LED 123L tank with 8 fish including large sucker fish. Comes with new heater, new filters & transport bags
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
5Other/Mixed Breed
Baby axolotl ready for new homes black and pink available . small but eating well collection only from treharne barry cf631rb
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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
Other/Mixed Breed
🐠 Premium Full Aquarium Setup for Sale – Aqua One OakStyle 305L – Complete Professional Package Because I have work outside London and it will be very difficult to move such a large setup safely, I a
5Other/Mixed Breed
Babies from our (unrelated) leucistic and wild type axolotls. Hatched over the last week (from 26/03) and all are individually tubbed, eating baby brine shrimp with water changed daily. Please not
6Other/Mixed Breed
Axolotls between 4-5" long looking for a new home. Currently feeding well on Axolotl pellets. Collection Axminster, Devon