

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
Axolotls, various colours, quantity discount available Experienced keeper (20yrs ). I have different colour types of axolotls available. Juveniles from £10, 6mths £20, adults £30. They are easily car
12Other/Mixed Breed
Selling a 50 Litre Glass Aquarium 60cm * 30cm *30cm. Used previously to keep fish and a turtle. ALL DETAILS PLEASE READ: - Aquarium got a fresh layer of sealant above the old one just in case and ha
6Other/Mixed Breed
110 litre fish tank with accessories. Includes below fish too: 2 x honey gourami 1 x cobalt blue dwarf gourami 4 x cardinal tetra 5 x harlequin raspora 3 x albino corys 1 x pleco 2 x sunset platy
Other/Mixed Breed
Red sea tank 1000 lt 19mm glass, all in good condition comes with 4 lights. All for power pack, for light a brand new, only 6 months old. 2 red sea wavemaker, 2 red sea 4 way Dorset, and red sea prot
1Other/Mixed Breed
Full marine fish tank set up that requires some attention to get back to standard. Lovely royal gramma. The fish tank is a fluval evo marine tank 52l. It includes external light, heater and pump. The
Other/Mixed Breed
I have for sale 5 axolots. Price is per unit not all 5. There is a wild female. 2 Dirty Lucis female? Golden/orange sex u/k this one had some issues with limbs but these are now growing nicely. Male g
6Other/Mixed Breed
Due to an upcoming move we sadly have to downsize and the tanks need to go. These are large specimens, A pacu around 30cm clown knife fish around 35-40cm 2 x bush fish one is around 10cm and the othe
4Other/Mixed Breed
250l fish tank and stand including fluval heater and fluval filter 307, co2 tank ,fluval smart bluetooth light plus various fish and accessories looking for 200
Other/Mixed Breed
Juwel Lido 120 Aquarium & Cabinet - LED Lighting, Filter, Pump Heater Fish Tank Male and female betta Female dwarf gourami Frog Shrimp Tetras Male and female Albino Pleco 2 calico plecos. 3 Cory's.
61Other/Mixed Breed
4ft marine tank included is an fx6 filter a rw15 wave maker an ro machine 3 white barrels for water a heater live rock 1 blenny 1 sailfin tang 1 wrasse 1 fire shrimp couple crabs a snail and two cl
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