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Other/Mixed Breed Fish for sale

8 Fish found

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 fish 3 tanks of fish - Advert 1
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3 tanks of fish

Other/Mixed Breed

7 monthsAge
£100Price

We have 3 fully set up tanks 1 tank with a male elephant eared betta fish on his own with 1 shrimp and small zebra snail 1 tank with neon tetras , black neon tetras , mix of Molly and patties and co

Nottingham, Nottingham (41.5mi)
Other/Mixed Breed fish Established fish tank 5ft - Advert 2
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Established fish tank 5ft

Other/Mixed Breed

2 daysAge
£250Price

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

ID Verified
Coalville, Leicestershire (48.2mi)
Other/Mixed Breed fish Axolotl babies - Advert 3
9

Axolotl babies

Other/Mixed Breed

3 monthsAge
£20Price

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

Stevenage, Hertfordshire (47.6mi)
Other/Mixed Breed fish Full setup with accessories for sale - Advert 1
Other/Mixed Breed fish Full setup with accessories for sale - Advert 2
PRO
41

Full setup with accessories for sale

Other/Mixed Breed

6 weeksAge
£8,500Price

Red sea tank 1000 lt 19mm glass, all in good condition comes with 4 lights. Heater, air pump. All the fishes rocks plant Reason of selling? Cannot look after it anymore, health wise. For more details

ID Verified
Leicester, Leicester (35.8mi)
Other/Mixed Breed fish Crayfish - Advert 5
5

Crayfish

Other/Mixed Breed

2 yearsAge
£50Price

For Sale: Blue Crayfish (Freshwater Crayfish) 🦞 Healthy adult Blue Crayfish for sale. * Size: approximately 10–15 cm * Beautiful deep blue colour * Active and in excellent condition * Suitable for

Hinckley, Leicestershire (47.6mi)
Other/Mixed Breed fish Baby Axolotls - Advert 2
PRO
22

Baby Axolotls

Other/Mixed Breed

5 monthsAge
£15Price

I have healthy beautiful baby golden axolotls, all feeding well on pellets, brine shrimp, bloodworm, and chopped worms. Ready for new loving homes Please message for anymore information

Spalding, Lincolnshire (15.4mi)
Other/Mixed Breed fish Mini Marble Stingray - Advert 7
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Mini Marble Stingray

Other/Mixed Breed

9 weeksAge
£250Price

Female. Pictures of parents on request both come from good stock and good specimens. Baby was nipped by father at birth as can be seen in photos however is healing well, ready for new waters.

Peterborough, Peterborough
Other/Mixed Breed fish siberian sturgeon - Advert 8
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siberian sturgeon

Other/Mixed Breed

3 yearsAge
£275Price

LARGE STURGEON IN GREAT CONDITION FROM HEALTHY POND. I HAVE OWNED THIS FISH FOR OVER TWO YEARS SINCE IT WAS 20CM. HAND FEEDING AND GROWING WELL. APPROX 100CM. COLLECTION ONLY FROM RUGBY. BUYER WI

Rugby, Warwickshire (45.3mi)

FAQs

Fish do rest, but not in the same way as mammals. They typically hover in place or find a sheltered spot to conserve energy, and they don't close their eyes since they have no eyelids.