Tiger Shovelnose Catfish Care Guide - Size, Setup & Feeding

The Tiger Shovelnose Catfish is an impressive, long-bodied predatory catfish named for its broad, flattened snout and dramatic dark vertical markings. Its silver to golden-brown body is patterned with tiger-like bars, while long barbels help it locate prey in cloudy or dimly lit water. The dorsal and pectoral fins are armed with sharp spines, so care is needed when handling this powerful fish.

Despite their formidable appearance, young Tiger Shovelnose Catfish are often calm and reserved. They may spend much of the day resting on the bottom or beneath cover, becoming more active at dusk and during the night. As they grow, their feeding response becomes increasingly powerful, and even a seemingly peaceful adult can swallow surprisingly large tankmates.

In nature, this species inhabits sizeable rivers, tributaries, channels and flooded areas. It is adapted to moving through varied current conditions and uses its sensitive barbels and excellent sense of smell to hunt fish, crustaceans and other aquatic prey. Its streamlined body allows it to make sudden bursts of speed when ambushing food.

Tiger Shovelnose Catfish are among the most frequently purchased large catfish, but their eventual size is often underestimated because juveniles are sold when only a few centimetres long. They are a long-term commitment requiring specialist facilities, substantial filtration and tankmates selected with great care. The name is also used in the trade for several closely related Pseudoplatystoma species, which can make identification and adult-size estimates confusing.

Tiger Shovelnose Catfish are native to tropical South America, particularly the major river systems of the Amazon, Orinoco and Paraná-Paraguay regions. Their distribution includes countries such as Brazil, Colombia, Peru, Bolivia, Venezuela, Paraguay and Argentina, although the exact range is complicated by historical taxonomic confusion within the Pseudoplatystoma group.

An adult Tiger Shovelnose Catfish needs a specialist aquarium of at least 2,000 litres, with a footprint around 300 x 100 cm or larger; greater length and width are preferable because this is an active, heavy-bodied fish. Juveniles can be housed temporarily in a smaller tank, but an upgrade plan must be in place before purchase. Use powerful filtration, generous oxygenation and secure covers, leaving broad open swimming space. A fine sand or smooth rounded-gravel substrate is safest for the barbels, while robust driftwood, large smooth rocks and sturdy shelters can provide security without reducing too much swimming room. Avoid unstable or sharp decor, and maintain excellent water quality with substantial, regular water changes.

Up to about 100 cm (39 in) in length in exceptional specimens; males are often slightly smaller and slimmer, while females may be heavier-bodied and occasionally approach 120 cm (47 in) in the wild.

Tiger Shovelnose Catfish are carnivorous predators. Offer a varied diet of quality sinking carnivore pellets, chopped fish, prawns, mussels and other suitable seafood, with occasional earthworms or other responsibly sourced foods. Young fish need appropriately sized meals more frequently than adults, while mature specimens should not be overfed, as obesity and poor water quality can develop quickly when large predators receive excessive food. Feeder fish are best avoided because they can introduce parasites and provide an unbalanced diet.

Suitable companions must be robust, peaceful and far too large to be swallowed, such as large peaceful cichlids, datnoids, large bichirs, silver dollars, pacu or other appropriately sized South American catfish. Potential companions should be introduced only in a very spacious aquarium, because this predator can consume any fish that fits inside its mouth. Avoid small community fish, ornamental shrimp, delicate species and aggressive fin-nippers; highly territorial or similarly predatory fish may also cause serious injuries or competition at feeding time.

Tiger Shovelnose Catfish are not realistically bred in ordinary home aquariums. In the wild, spawning is associated with seasonal changes in river flow and flooding, while successful captive reproduction requires very large facilities, mature broodstock and carefully controlled environmental triggers. They are egg scatterers, and the adults provide no parental care; the eggs and larvae must be separated from the adult fish to prevent predation.

Sexes are difficult to distinguish reliably by appearance, especially in juvenile fish. Mature females are generally larger and deeper-bodied, whereas males are usually smaller and more slender; dependable identification is normally easiest when comparing mature fish or examining them during professional breeding work.