Red Fin Thresher Plecostomus L-116

Aphanotorulus emarginatus


(0 Reviews)

Red Fin Thresher Plecostomus L-116

Red Fin Thresher Plecostomus L-116

Aphanotorulus emarginatus


(0 Reviews)

Red Fin Thresher Plecostomus L-116


Size: 5"
$94.99
$83.99
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Red Fin Thresher Plecostomus L-116 Care Facts

Care Level: Moderate
Temperament: Peaceful
Diet: Omnivore
Minimum Tank Size: 55 gallons
Max Size: 16 inches
Water Temperature: 72-82øF
pH Range: 6.5-7.5
Lifespan: Up to 15 years
# Red Fin Thresher Plecostomus The Red Fin Thresher is a nocturnal bottom-dweller from South American river systems, and it brings a distinctly different energy to aquariums compared to its more common plecostomus cousins. While many plecos are content to hide behind driftwood all day, this species is an active explorer once darkness falls?you'll find it methodically working across the substrate and glass, using its sucker mouth to investigate every surface. The striking red-orange coloration on its fins intensifies as the fish matures, creating a dramatic contrast against its dark body that's especially visible during evening hours when the fish becomes most active. This plecostomus thrives on a varied diet that goes beyond standard algae wafers. In their natural habitat, they consume fallen vegetation, small invertebrates, and decaying matter, so replicating this in captivity means offering blanched vegetables like zucchini and spinach alongside quality sinking pellets and occasional protein sources like bloodworms or small crustaceans. Unlike passive algae-eaters, these fish actively forage and will spend hours each night working through the substrate?a behavior that actually benefits your tank by aerating the lower water column and reducing detritus buildup. A 55-gallon tank is the minimum, but these fish genuinely appreciate larger spaces where they can establish different foraging routes. Tank mates should be chosen carefully, though not because of aggression?rather, the Red Fin Thresher can become territorial with other bottom-feeders competing for the same space and food sources. It coexists peacefully with mid-water and upper-column swimmers, and does well in established tanks where vegetation and driftwood create distinct territories. The species can live 15 years or longer with proper care, making it a genuine long-term commitment rather than a temporary addition to your setup.

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