The Blood-red Tiger Pleco, scientifically known as Panaqolus claustellifer, is a striking freshwater catfish native to the fast-flowing rivers of South America. Belonging to the Loricariidae family, this species is prized by aquarists for its vivid red-orange markings contrasted against dark, patterned body armor, giving it a dramatic and eye-catching appearance in well-maintained aquariums. The body of the Blood-red Tiger Pleco is robust and armored, typical of plecos, with a pattern of dark stripes or spots overlaying a darker base coloration. Its fins and body often showcase deep red or orange tones, particularly under good lighting, creating a tiger-like effect that gives the species its common name. Its sucker-like mouth and flattened underside allow it to cling to wood, rocks, and other surfaces, while its broad pectoral fins provide stability in moderate currents. In captivity, Panaqolus claustellifer thrives in aquariums that replicate its natural riverine environment. A well-structured tank with driftwood, smooth rocks, and caves provides both shelter and grazing surfaces. Driftwood is particularly important, as this species feeds on the biofilm and wood fibers naturally found on submerged logs. Moderate water flow and high oxygenation help mimic its native habitat, while stable, clean conditions are crucial for maintaining its health and vibrant coloration. The Blood-red Tiger Pleco is generally peaceful and can coexist with other non-aggressive species, particularly those that occupy different areas of the tank. While territorial over small caves or favored resting spots, conflicts can be minimized by providing multiple hiding places and ample space. Observing their behavior as they graze on driftwood or explore crevices is both engaging and rewarding. Feeding should emphasize their natural diet, which is largely wood-based but supplemented with protein. Sinking wafers formulated for wood-eating plecos, fresh driftwood, and occasional offerings of blanched vegetables such as zucchini or cucumber help support their nutritional needs. Small amounts of frozen or live foods, like bloodworms or brine shrimp, can also be offered to promote growth and enhance coloration. Breeding in captivity is rare but has been achieved by experienced aquarists. They are cave spawners, with males guarding the eggs until hatching. Providing multiple caves, stable water conditions, and a diet rich in wood-based nutrients can help encourage natural reproductive behavior. Overall, the Blood-red Tiger Pleco is a captivating addition to river-style aquariums. Its bold coloration, peaceful demeanor, and fascinating wood-grazing behavior make it a standout species for aquarists looking for both beauty and ecological interest. With proper care, this pleco thrives, bringing color, texture, and activity to a well-maintained aquatic setup.