Trucha de arroyo vs Guppy

Salvelinus fontinalis comparado con Poecilia reticulata

Taxonomy & Classification

Atributo	Trucha de arroyo	Guppy
Nombre Científico	Salvelinus fontinalis	Poecilia reticulata
Orden	Salmoniformes	Cyprinodontiformes
Familia	Salmonidae	Poeciliidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Trucha de arroyo	Guppy
Longitud Máxima	86,0 cm	6,0 cm
Peso Máximo	6,6 kg	0,002 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.	Males display highly variable iridescent patterns on a gray-olive body; spots, reticulations, and solid patches of red, orange, blue, green, and black; flowing fantail fins often multicolored.

Habitat & Environment

Atributo	Trucha de arroyo	Guppy
Tipo de Agua	Freshwater & Saltwater	Brackish
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 …	Native to freshwater and slightly brackish streams of northern South America including Venezuela, Trinidad, and Barbados. Tolerates a wide range of salinities; introduced on every …
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. …	Slow-moving rivers, streams, ponds, and drainage ditches of northern South America (Venezuela, Trinidad). Warm, shallow water with dense vegetation (22-28°C). Highly adaptable; introduced worldwide.

Aquarium Suitability

Atributo	Trucha de arroyo	Guppy
Tamaño Mínimo del Acuario	—	38 L
Temperatura	—	22-28
Rango de pH	—	6.8-7.8
Nivel de Cuidado	—	Easy
Temperamento	—	Peaceful

Información de Pesca

Atributo	Trucha de arroyo	Guppy
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.

Guppy

Not consumed — a tiny ornamental livebearer prized by hobbyists for its dazzling color variations and ease of breeding in the aquarium.

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.

Guppy

The guppy is one of the most widely distributed tropical fish, found in freshwater habitats across the Americas. Males display vivid colors and elaborate tail patterns to attract females. They are live-bearers, giving birth to free-swimming fry.