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.
1Other/Mixed Breed
Our Fish won’t stop breeding. Weve had to buy a seperate tank for the babies and there are just too many for us to cope with. Will most definitely do deals for anyone Who'd like a dozen! Females £2 e
3Other/Mixed Breed
I also have a common pleco large £10 3 silver dollars £20 for all 3 1 convict £10 I know there not fish but they are full aquatic!! Were in a bigger tank but it blew out so in a smaller tank that is
3Other/Mixed Breed
3 month old polar blue parrot fish from my breeding pair, all eating well and big enough for new homes. £3 per fish 🐠
122Other/Mixed Breed
3×Rosy Barb-£5. 4×malawi Cichlids: 1×Brown breeder female (bred×6) -£10. 1× metalic blue female-£5. 2xDragon blood(orange)-£5 each. 1×Denison Barb-£5. 2×Bristlenose Plecos(females)-£5 for both. Collec
12Other/Mixed Breed
4 Clown Loaches. 1 Skunk Botia Larger 2 are 3-4inches, other 2 slightly smaller. Skunk Botia similar size to smaller 2 clowns. £90 for all 5 fish Collection Only Hedge End Please
11Other/Mixed Breed
🔥 3 MINI MARBLE FRESHWATER STINGRAYS AVAILABLE 🔥 🐟 3 stunning Mini Marble Stingrays looking for new homes 📏 Approx. 11 inches💎 Beautiful marble patterning💪 Healthy, active and feeding well🏠 I