Dwarf Gourami vs Wels Catfish

Trichogaster lalius comparado com Silurus glanis

Taxonomy & Classification

Atributo	Dwarf Gourami	Wels Catfish
Nome Científico	Trichogaster lalius	Silurus glanis
Ordem	Anabantiformes	Siluriformes
Família	Osphronemidae	Ictaluridae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Dwarf Gourami	Wels Catfish
Comprimento Máximo	9,0 cm	500,0 cm
Peso Máximo	0,005 kg	300,0 kg
Cor	Males show brilliant alternating diagonal red-orange and iridescent turquoise-blue stripes across the flanks; dorsal and anal fins have red and blue streaking; throat and belly vivid electric blue.	Dark olive-green to slate-gray back with irregular mottled marbling of darker blotches; flanks grade to olive-yellow; scaleless smooth skin; belly pale cream to yellowish-white; head broad and flat.

Habitat & Environment

Atributo	Dwarf Gourami	Wels Catfish
Tipo de Água	Freshwater	Brackish
Faixa de Profundidade	—	0-30m
Distribuição Geográfica	Native to the rivers and floodplains of West Bengal, Assam, Bangladesh, and parts of Pakistan. Found in densely vegetated slow streams, ponds, and flooded rice …	Native to large river systems and lakes of central and eastern Europe from the Rhine basin east to the Caspian and Aral sea drainages. Introduced …
Habitat	Slow-moving rivers, ponds, and ditches of Bangladesh, India, and Pakistan. Shallow, warm, densely vegetated freshwater (22-28°C). Males highly territorial and build bubble nests among floating …	Large rivers, lakes, and reservoirs across Europe and Asia (Volga, Danube, Rhine, Ob). Inhabits deep, slow-moving freshwater with soft substrates. Tolerates turbid water (15-25°C). Highly …

Aquarium Suitability

Atributo	Dwarf Gourami	Wels Catfish
Tamanho Mínimo do Aquário	40 L	—
Temperatura	22-28	—
Faixa de pH	6.0-7.5	—
Nível de Cuidado	Easy	—
Temperamento	Peaceful	—

Informações de Pesca

Atributo	Dwarf Gourami	Wels Catfish
Peixe Esportivo	Não	Sim
Classificação de Resistência	—	9/10
Recorde Mundial	—	—
Nível de Mercúrio	—	—

Cuisine & Edibility

Dwarf Gourami

Not consumed — popular ornamental labyrinth fish treasured in freshwater aquariums for its vivid red-and-blue striped coloration and calm temperament.

Wels Catfish

Fatty, soft flesh with a mild, slightly sweet flavor; quality improves from cold, clean water fish. Popular in Central European cuisines — commonly smoked, fried, or braised with vegetables.

Species Overview

Dwarf Gourami

The dwarf gourami is a brightly colored labyrinth fish native to the slow-moving waters of South Asia. Males build elaborate bubble nests at the surface for spawning. Its pelvic fins have evolved into long, thread-like feelers used to sense the environment.

Wels Catfish

The wels catfish is the largest freshwater fish in Europe, capable of exceeding 5 meters. Found in large rivers and lakes across the continent, it has been documented beaching itself to catch pigeons. It can live over 80 years.