Pearl Spotted AKA Iridescent Killifish (Aphanius mento), TANK-BRED!
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The Pearl Spotted Killifish is a very rare Middle Eastern species that displays incredible iridescent blue coloration, especially in breeding males!
The Pearl Spotted Killifish (Aphanius mento), also known as the Iridescent Killifish or Toothcarp, is an extremely rare species that is native to the Middle East and has distinct populations in many Mediterranean countries. It displays vibrant iridescent blue coloration, especially in dominant males during spawning. It can live in temperatures ranging from 36° - 86° F (2° - 30° C)!
The Pearl Spotted Killifish occupies the top level of the water column most of the time. It is not afraid to jump, so it must be kept in an aquarium with either a lid/hood/canopy or at least a significantly lowered water level. It will not eat or bother plants and it will appreciate the cover, especially with floating plants. The Pearl Spotted Killifish is known to sometimes be surprisingly aggressive with both its own kind and other species during spawning, although it might tolerate peaceful invertebrates too large to be considered prey. However, this fish is best kept in a large group with plenty of space and cover for females and subdominant males to retreat from bullying by dominant males. Other tankmate species are not recommended if breeding is desired. The Pearl Spotted Killifish reportedly shows its very best coloration when exposed to real sunlight and it can live in an extremely wide temperature range, so it is an excellent fish to keep in outdoor pond and tub projects. It also thrives and lives much longer when it has a cooler "winter" period of a few months each year. It must be kept in alkaline water with only gentle to moderate flow.
The Pearl Spotted Killifish is an omnivore and and a large portion of its natural diet is filamentous algae. If this is not available in the aquarium, dry foods with high spirulina content can be a good alternative. Appropriately sized meaty frozen or live foods such as Tubifex, Daphnia, and Artemia will usually be accepted, and bloodworms can also be used if chopped to a manageable size.
What We Like About This Fish:
- Very uncommon in the aquarium hobby
- Beautiful coloration and small size
- Interesting group behavior
- Ideal for outdoor setups
- Excellent for inhabiting the top of the aquarium
RECOMMENDED TANK PARAMETERS:
- Temperature: 36° - 86° F (2° - 30° C)
- pH: 7.5 - 9.0
- KH: 10 - 29 dKH
- Minimum Tank Size: 15-20 gallons for a pair or trio, but 55+ gallons for a large group is most ideal.
- Diet: Omnivorous. Requires plenty of filamentous algae or spirulina as well as a varied diety of meaty foods
- Social Behavior: Best kept in groups, but dominant males are very aggressive during spawning
- Origin: Tank-bred, but indigenous to Turkey, Iraq, Syria, Lebanon, Israel
- Average Adult Size: 2 - 2.8 inches (5 - 7 cm)
- Average Purchase Size: 1+ inch (2.5+ cm)
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