• Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)
  • Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)

Spotback Allegra AKA Pugnose Shrimp (Caridina weberi)

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The Spotback Allegra Shrimp is an excellent algae eater and scavenger that is often very colorful and extremely rare in the aquarium hobby!

 

The Spotback Allegra Shrimp (Caridina weberi), also known as the Pugnose Shrimp, is a very uncommon freshwater species that is native to several island countries of Southeast and Far East Asia. It is an exceptional algae-eating species, so it is a very valuable maintenance animal in addition to its often colorful, attractive appearance.It is very similar to the Amano Shrimp (Caridina multidentata) and the Gold Nebula Shrimp (Caridina villadolidi) in appearance and behavior.

The Spotback Allegra Shrimp, like most shrimp, lives in large colonies and spends most of its time foraging for food. As stated above, it is a voracious eater of algae in the aquarium and is not only a very active, outgoing species, but it is also very useful as a solution to fighting algae issues. It aggressively feeds on most varieties of algae and, in appropriate numbers, will often eradicate even the most persistent algae growth on plants and other aquarium decorations. It is also very effective in eating decaying plant matter, such as shed leaves and needles of aquarium plants. However, it does not bother or damage ornamental plants.

Care for the Spotback Allegra Shrimp is fairly simple and straightforward. It does not require the more acidic pH of its "bee-type" Caridina cantonensis cousins. It inhabits waterways that fluctuate widely in temperature and pH according to rainfall, so it will thrive in a variety of water parameters as long as it has very clean water with sudden changes avoided..

Little is known of the breeding habits of the Spotback Allegra Shrimp. The bulk of its diet is biofilm, algae, and decaying plant matter so it will work diligently to clean up detritus in any aquarium. It feeds constantly and displays constant activity. In a less mature aquarium, it should be fed high quality flake and mini pellet dry foods with high algae/spirulina/plant content. GlasGarten Bacter AE is also a superb food, as it will dramatically increase biofilm growth in the aquarium.

 

What We Like About This Shrimp:
  • Superb algae eater
  • Very rare in the aquarium hobby
  • Completely peaceful disposition
  • Safe with all plants
  • Excellent scavenger
 
RECOMMENDED TANK PARAMETERS:
  • Temperature: 61° - 82° F (16° - 28° C)
  • pH: 7.5 - 8.0
  • KH: 10 - 20 dKH
  • Minimum tank size: 2 gallons
 
CARE GUIDELINES:
  • Diet: Scavenger that feeds continually.  Requires very little feeding in a well-established aquarium containing algae, biofilm, or decaying plant matter.  In less mature aquariums, high quality dry foods with high plant content can be fed multiple times daily. Our Spirulina flakes and BacterAE make excellent staple food products for these shrimp.
  • Social behavior: Peaceful
  • Origin: Southeast and Far East Asia
  • Average adult size: 1 inch (2.5 cm)
  • Average purchase size: 1/2 to 1 inch (1.3 to 2.5 cm)

 

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