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.
4Other/Mixed Breed
Lovely male mudskipper for sale with full set up. Tank, light, rocks, sand , and a pump/filter collection only
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
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
Other/Mixed Breed
Breeding pair of rays. Female is a black diamond x henlie Male is a het pearl. Both are at least 18inch disk and with the tail over 24inch. They have produced see photos. Both in perfect healt
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.
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
3Other/Mixed Breed
One male guppy and a mickey mouse fish available for rehoming. Also a range of tank accessories. Free to good home.
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
61Other/Mixed Breed
Selling my fish tank Fish : X2 albino Hoplo catfish/ Pearl Gourami/ X5 terta / Male guppy X2 dwarf pufferfish/... Tank: Built in filter and lights change from white to blue / Heater / All water tes
3Other/Mixed Breed
Includes, 2x make axolotls who are 2 years old. PM for exact type, worm farm, tank and equipment, feeding tongs, 2x 20L tanks to use when doing water changes and a pump to help empty the tank, all acc
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
11Other/Mixed Breed
It’s a fire male guppy. sold only fishes not aquarium. It’s just been 2 months. It’s very active. Available immediately.