Angelfish vs Guppy

Pterophyllum scalare 与之比较 Poecilia reticulata

Taxonomy & Classification

属性	Angelfish	Guppy
学名	Pterophyllum scalare	Poecilia reticulata
目	Cichliformes	Cyprinodontiformes
科	Cichlidae	Poeciliidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Angelfish	Guppy
最大体长	15.0 cm	6.0 cm
最大体重	0.03 kg	0.002 kg
体色	Silver to pale gold body with four bold black vertical bars including one through the eye; tall triangular dorsal and ventral fins are translucent silver; domesticated forms include gold, black, and marbled variants.	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

属性	Angelfish	Guppy
水质类型	Freshwater	Brackish
栖息水深	—	—
地理分布	Native to the Amazon River basin and associated river systems in Peru, Colombia, and Brazil. Inhabits densely vegetated floodplain swamps, flooded igapó forests, and slow …	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 …
栖息地	Slow-moving rivers and flooded forests of the Amazon basin, particularly white-water and clear-water rivers. Warm water (24-30°C); inhabits areas with submerged vegetation and driftwood.	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

属性	Angelfish	Guppy
最小水箱尺寸	190 L	38 L
水温	24-28	22-28
pH 范围	6.0-7.5	6.8-7.8
饲养难度	Moderate	Easy
性情	Semi-Aggressive	Peaceful

Cuisine & Edibility

Angelfish

Not consumed — a graceful ornamental cichlid valued for its triangular body shape and striking vertical banding; widely kept in freshwater community tanks.

Guppy

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

Species Overview

Angelfish

The freshwater angelfish is a majestic cichlid with a laterally compressed body and long, flowing dorsal and anal fins. Native to the Amazon basin, it has been selectively bred into numerous color varieties including marble, koi, and platinum.

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.