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
He getting a bit to chunky for my tank and MUST be kept in a predatory tank or he will eat ur favourite fish’s (I am a bad photographer if u want other pictures let me know) Collection only
3Other/Mixed Breed
Hello I have 2 axolotl one white and one black one is a girl and one is a boy as they have had babies befor. Comes with a tank and a filter. Thank you . £80 ono
1Other/Mixed Breed
Young yellow tiger guppies, born this spring. Selling some as there are already too many of them for our aquarium)
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
13Other/Mixed Breed
Healthy, active and well cared for ✅🐟 GUPPIES • Magenta Red Tiger - £10/ pair • Yellow Tiger - £10 / pair • Metal Black - £5 / pair • Koi Guppy - £5 / pair • blue panda - £5/ pair • Blue / Red Lace
4Other/Mixed Breed
For sale is my Peacock Snakehead (Channa Pulchra) they originate from Myanmar. he is around 5 inch so still plenty of growing left as the get 9-10 inch Currently eating: • Bloodworm • Crickets • Praw
31Other/Mixed Breed
- my adult fish gave birth so selling the babies!! - my tank is too small to fit them all and have got 56 babies -3 of them are 6 months old and the rest are only 2 months - I’m open to prices if bou
12Other/Mixed Breed
Jumbo fish for sale , with tank and food and new brand new filters , brought it for my son now he wants to move onto a cat. Collection , £65
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.
10Other/Mixed Breed
2 Siamese algae eaters ready to rehome They are getting too big for My 90L tank They are great for getting rid of black beard algae (what we used them for) Bought in July so would have been born in
42Other/Mixed Breed
Open for ANY offers Selling my Fluval 168 litre aquarium with matching cabinet, fully established and running. Includes: • Upgraded Fluval 407 external filter (high-performance filtration) • Built
9Other/Mixed Breed
Axolotl babies for sale. Parents are pictured, leucistic male and wild type female. Healthy clutch, feeding on frozen bloodworm and artemia (brine shrimp) Interesting morphs and markings starting to b