Atlantic Herring vs Discus

Clupea harengus в сравнении с Symphysodon discus

Taxonomy & Classification

Характеристика	Atlantic Herring	Discus
Научное название	Clupea harengus	Symphysodon discus
Отряд	Perciformes	Cichliformes
Семейство	Clupeidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Характеристика	Atlantic Herring	Discus
Максимальная длина	45,0 cm	20,0 cm
Максимальный вес	1,1 kg	0,25 kg
Окраска	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.	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

Характеристика	Atlantic Herring	Discus
Тип воды	Saltwater	Freshwater
Диапазон глубин	0-364m	—
Ареал обитания	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 …	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 …
Среда обитания	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. …	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

Характеристика	Atlantic Herring	Discus
Минимальный объём аквариума	—	250 L
Температура	—	26-30
Диапазон pH	—	5.0-7.0
Уровень сложности содержания	—	Difficult
Темперамент	—	Peaceful

Информация о рыболовстве

Характеристика	Atlantic Herring	Discus
Спортивная рыба	Да	Нет
Боевой рейтинг	—	—
Мировой рекорд	—	—
Содержание ртути	—	—

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.

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

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.

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.