Atlantic Herring vs Guppy

Clupea harengus comparado com Poecilia reticulata

Taxonomy & Classification

Atributo	Atlantic Herring	Guppy
Nome Científico	Clupea harengus	Poecilia reticulata
Ordem	Perciformes	Cyprinodontiformes
Família	Clupeidae	Poeciliidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Atlantic Herring	Guppy
Comprimento Máximo	45,0 cm	6,0 cm
Peso Máximo	1,1 kg	0,002 kg
Cor	Deep blue-green to teal back with brilliant iridescent silver flanks and white belly; no spots or bars; scales shed easily; fins are translucent to pale; single dorsal fin positioned mid-body.	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	Atlantic Herring	Guppy
Tipo de Água	Saltwater	Brackish
Faixa de Profundidade	0-364m	—
Distribuição Geográfica	Northern North Atlantic and adjacent Arctic seas, from the eastern seaboard of Canada to Iceland, the North Sea, Baltic Sea, and Barents Sea. Forms massive …	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 …
Habitat	Pelagic, open ocean in the North Atlantic, from Arctic to subtropical latitudes. Highly migratory, schooling in surface to mid-water depths (0-200m). Undertakes large seasonal migrations. …	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	Atlantic Herring	Guppy
Tamanho Mínimo do Aquário	—	38 L
Temperatura	—	22-28
Faixa de pH	—	6.8-7.8
Nível de Cuidado	—	Easy
Temperamento	—	Peaceful

Informações de Pesca

Atributo	Atlantic Herring	Guppy
Peixe Esportivo	Sim	Não
Classificação de Resistência	—	—
Recorde Mundial	—	—
Nível de Mercúrio	—	—

Cuisine & Edibility

Atlantic Herring

Soft, oily flesh with a rich, pronounced flavor and high omega-3 content. Culturally essential across Northern Europe — pickled, smoked, salted, or prepared as Bismarck herring or rollmops.

Guppy

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

Species Overview

Atlantic Herring

The Atlantic herring is one of the most abundant fish species on Earth, forming massive schools of billions of individuals. It has played a crucial role in European history, fueling trade routes and even wars.

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.