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The species is also considered in reef aquariums. It feeds on the surface of the stones in thin layers of algae, so it can live only in an old well-ripened aquarium. If the algae are not growing fast enough, supplemental feeding is usually unsuccessful, and this starfish dies of starvation.
Potamotrygon leopoldi is part of a species complex of blackish river rays with contrasting pale spots found in the Tapajós, Xingu and Tocantins basins [3]. River stingrays are almost circular in shape, and range in size from Potamotrygon wallacei, which reaches 31 cm (1.0 ft) in disc width, [9] to the chupare stingray (S. schmardae), which grows up to 2 m (6.6 ft) in disc width. [10]
The species is also considered in reef aquariums. It feeds on a thin layers of algae, and so it can live only in an old well-established aquarium. Little can be done to supplement its diet. The red seastar is known to be very intolerant of sudden changes in water chemistry. [4] [2]
Bear in mind that a saltwater aquarium is more expensive and difficult to set up and maintain than freshwater even if you chose one of the best fish tanks. Some of the fish, too, can fetch eye ...
It competes with the starfish Uniophora granifera and Coscinasterias muricata, and Pacific walruses, Odobenus rosmarus ssp. divergens, for bivalve prey. [4] A possible commensal is the bacterium Colwellia asteriadis, a new species published in 2010, which has only been isolated from Asterias amurensis hosts in the sea off Korea. These showed no ...
The Xingu River ray, River stingray, white-blotched river stingray, or polka-dot stingray (Potamotrygon leopoldi) is a species of freshwater fish in the family Potamotrygonidae. It is endemic to the Xingu River basin in Brazil and as such prefers clear waters with rocky bottoms. [ 1 ]
The blotched upside-down catfish is well suited to aquariums because of its small size (typically 9 or 10 cm or less) and peaceful demeanor. [ citation needed ] 72–82 °F (22–28 °C) [ 24 ]
Requires brackish aquarium conditions with very low Nitrite and Nitrate levels to be kept successfully. Freshwater compromises immune system, harms puffer, and shortens life extremely. Commonly kept in freshwater. Green spotted puffer Tetraodon nigroviridis: 6" Often sold as freshwater fish, but this species actually thrives in brackish water.
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