Trucha de arroyo vs Discus

Salvelinus fontinalis comparado con Symphysodon discus

Taxonomy & Classification

Atributo	Trucha de arroyo	Discus
Nombre Científico	Salvelinus fontinalis	Symphysodon discus
Orden	Salmoniformes	Cichliformes
Familia	Salmonidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Trucha de arroyo	Discus
Longitud Máxima	86,0 cm	20,0 cm
Peso Máximo	6,6 kg	0,25 kg
Color	Olive-green back with distinctive worm-like yellowish vermiculations; flanks dotted with red spots ringed by blue halos; lower fins are orange-red with bold black and white leading edges.	Deep-bodied disc shape with vibrant turquoise-blue wavy horizontal lines over a reddish-brown to orange-brown base; fins edged in vivid blue with red striping; wild forms show 9 dark vertical bars.

Habitat & Environment

Atributo	Trucha de arroyo	Discus
Tipo de Agua	Freshwater & Saltwater	Freshwater
Rango de Profundidad	15-27m	—
Distribución Geográfica	Native to cold Appalachian streams and boreal rivers of eastern Canada and the northeastern United States. Anadromous sea-run populations occur along the Atlantic coast; introduced …	Restricted to the central Amazon River basin in Brazil, particularly around the confluence of the Rio Negro and Rio Solimões. Prefers warm, soft, highly acidic …
Hábitat	Clear, cold mountain streams and lakes of eastern North America and the Great Lakes basin. Prefers cold, highly oxygenated water (8-18°C) over gravel and cobble. …	Warm, blackwater rivers of the Amazon basin, particularly the Rio Negro and tributaries. Prefers soft, acidic water (pH 4.5-6.5, 26-31°C) with driftwood and minimal current. …

Aquarium Suitability

Atributo	Trucha de arroyo	Discus
Tamaño Mínimo del Acuario	—	250 L
Temperatura	—	26-30
Rango de pH	—	5.0-7.0
Nivel de Cuidado	—	Difficult
Temperamento	—	Peaceful

Información de Pesca

Atributo	Trucha de arroyo	Discus
Pez de Pesca Deportiva	Sí	No
Clasificación de Pelea	5/10	—
Récord Mundial	—	—
Nivel de Mercurio	—	—

Cuisine & Edibility

Trucha de arroyo

Delicate, sweet flesh with a nutty, mild flavor; low fat and fine texture. One of the most prized freshwater eating fish in North America — best pan-fried simply in butter with herbs.

Discus

Not consumed — a prized ornamental aquarium fish known as the 'king of the aquarium' for its disc-shaped body and brilliant colors.

Species Overview

Trucha de arroyo

The brook trout is actually a char, native to cold, clean streams of eastern North America. Its olive-green body with distinctive worm-like markings (vermiculations) and red spots with blue halos make it one of the most beautiful freshwater fish.

Discus

The discus is often called the 'King of the Aquarium' for its disc-shaped body and stunning color patterns. Native to the Amazon floodplains, it requires warm, soft, acidic water and feeds its fry with a mucus secretion from its skin.