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
Very healthy 7 month old axolotls Lovely and healthy Eating well. mainly earth worms Mum is copper Mel and dad is dirty Lucy
21Other/Mixed Breed
I have too many guppies in my tank and need some fry gone asap. There’s a mix of different breeds in there so which colour you get will be random. feel free to message for how many you’d like
91Other/Mixed Breed
I have a beautiful tropical tank set up with loads of gorgeous fish, snails, crabs, plants. There are some new babies in there too. The tank is from Dobbies Garden centre and it’s 2 years old. It is a
4Other/Mixed Breed
250l fish tank and stand including fluval heater and filter, co2 tank ,fluval smart bluetooth light plus various fish and accessories looking for 300 ono
6Other/Mixed Breed
2x Tiger oscars 1x giant silver paku 2x Albino Paku 1 xlarge grey Paku 1x large snakehead 4/5x red belly piranha 2/3xPlecko 1x jaguar cichlid 1x red fish similar to the jaguar (Possibly 3 catfish) £
4Other/Mixed Breed
2 male axolotl been together since babies. Healthy eating bloodworms meal worms. Going together 60 for both no tank just the axolotls collection only s65 east herringthorpe Can sell tank and filter w
385Other/Mixed Breed
Manchester Pet's and Aquatics, 66-70 Stockport Road, Manchester, M126AL Open 7 days a week, 363 days a year. Updated 18/09/26 Aquatic Stock List **Tropical Section** *Tetra/Characin* Flame Ember Ca
4Other/Mixed Breed
Tropical fish for sale closing down coffee table tank 1 large parrot fish 1 syno black cat fish 1 black plec also have the tank there in which is a coffee table tank comes with lights pump and some b
9Other/Mixed Breed
📍🏡ORDERS OVER £20 CAN BE DELIVERED LOCALLY £5 DELIVERY 📍🏡 Male Yellow Snakeskin Guppy🟡✅️ (High Quality) £3 each or 4 for £10 (4 Available) Male Dumbo Guppy 🔴✅️ (High Quality) £3 each or 4 for
6Other/Mixed Breed
Both males. White tank with lights top and bottom £50 Black tank has missing lid (see photo) and black unit £50 Both with filters
3Other/Mixed Breed
Axolotl and tank set up for sale There's a crack in the glass but its been repaired and doesn't affect it
12Other/Mixed Breed
Full fish tank set up with everything in picture and fish there are some mollies plecoes shrimps endos neons just don't have time anymore collect only from dn104jh
22Other/Mixed Breed
£1 each or 10 for £8 Beautiful guppies for sale. Multiple colours, easy fish to rebreed. They grow very fast and reproduce just as fast! Grab a bargain
3Other/Mixed Breed
2 black axolotls they would need to stay together only getting rid as havent got the room for a tank
3Other/Mixed Breed
Black Moscow Guppies mixed sex. Raised in our own aquarium. Looking for good homes for them to thrive in
2Other/Mixed Breed
Sunset Platys (orange ones) for sale on their own, approx 5. Would like to sell all together £2 each. Otherwise consider selling the whole tank set up including sponge filter, heater, cleaning acce
3Other/Mixed Breed
Complete running setup including tank, cabinet, lighting, external canister filter, heater, pipework, substrate, décor, gravel cleaner, food and fish. Fully established and currently running. Catfi
4Other/Mixed Breed
NANNUS CORYDORAS £3.50 ELEGANS CORYDORAS £3.50 ADOLFOI CORY £6 RUMMYNOSE TETRA £1.50E 10X£12 CARDINAL TETRA £1.50E 10X£12 REED TETRA £1.20E 10X£10 BLUE GUPPY £2.E 6X£1`0 RED GUPPY £2E 6X£10 SINGA BLUE
1Other/Mixed Breed
Healthy, home-grown Limnophila sessiliflora from my own well-maintained freshwater aquarium. This is a fast-growing, vibrant green stem plant that’s ideal for background planting and is great for abs