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.
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
8Other/Mixed Breed
UNS 60 a aquarium vortech mp10 pump live rock maxspect ethereal light all equipment and stand stand has some marks lots of fish, corals, anemones, clams loads of equipment
Other/Mixed Breed
UK-Bred Channa asiatica – Chinese Snakeheads for Sale Healthy UK-bred Channa asiatica juveniles now available. Suitable for fish keepers, Channa enthusiasts, breeders and aquarium shops. Available t
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.
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