8 inches (20 cm). Tank: 40 inches (100 cm). Strata: Bottom, Middle. Water: pH 7.5-8.5; hard to hard; 75-82'F (24-28'C). Set-up: Hiding places among roots and stones; robust plants. Often bites. Best kept singly addition of salt (2 teaspoons of table salt per quart) recommended. Tip on communities: Only largish, robust fishes. Food: Nutritious live foods; cleans up snails. Breeding: Unknown. Special remarks: Usually wrongly called T. fluviatilis. Biotope: Coastal areas in Indonesia. Similar species. T. bioellatus, 2 1/4 in. (6 cm); easier to combine with species.