Catfish care guides

Care Guide

Red Tail Catfish Care Guide

An honest care guide for the Red Tail Catfish — one of the most commonly impulse-purchased and subsequently rehomed large fish in the hobby — covering the realistic tank requirements, growth rate, feeding, water parameters, temperament, and the commitment required for this magnificent but demanding species.

Species Guide

Shovelnose Tiger Catfish (Pseudoplatystoma tigrinum)

Pseudoplatystoma tigrinum

The Shovelnose Tiger Catfish (Pseudoplatystoma tigrinum) is a large, strikingly patterned pimelodid catfish from the Amazon and Orinoco river systems. Known for its flattened, shovel-shaped head and bold dark vertical barring against a silver-white body, this species can exceed 100 cm in the wild and regularly reaches 90 cm in captivity. It is a powerful nocturnal predator that demands a very large aquarium, heavy filtration, and a keeper who understands the long-term commitment of housing a metre-long catfish. This guide provides comprehensive care information including tank dimensions, diet protocols, water chemistry, and the critical distinction between this species and frequently confused Pseudoplatystoma hybrids.

Species Guide

Irwini Catfish (Paulicea lutkeni)

Paulicea lutkeni

The Irwini Catfish (Paulicea lutkeni, formerly Brachyplatystoma juruense in some literature) is one of South America's most impressive large pimelodid catfish, reaching over 120 cm in the wild and 80–100 cm in captivity. Distinguished by its muscular body, flattened head, and attractive dark barred patterning, the Irwini is a nocturnal apex predator from the major river systems of the Amazon and Paraná basins. This species is suitable only for dedicated monster fish keepers with custom aquarium installations of 500+ gallons. This guide provides the specialist care information needed to maintain this rare and demanding catfish responsibly.

Species Guide

Red Tail Catfish (Phractocephalus hemioliopterus)

Phractocephalus hemioliopterus

The Red Tail Catfish (Phractocephalus hemioliopterus) is perhaps the most iconic — and most commonly abandoned — monster catfish in the aquarium hobby. Native to the Amazon, Orinoco, and Essequibo river systems, this pimelodid catfish reaches 130 cm (over 4 feet) in captivity and is instantly recognisable by its striking tricolour pattern: a dark grey-black dorsum, a crisp white lateral band, and a vivid orange-red caudal fin. It is a spectacularly beautiful fish that is also spectacularly demanding, requiring infrastructure that exceeds what 99% of home aquarists can provide. This guide provides unfiltered, expert-level information on what Red Tail Catfish ownership actually entails.