Discus vs Yellowfin Tuna

Symphysodon discus в сравнении с Thunnus albacares

Taxonomy & Classification

Характеристика	Discus	Yellowfin Tuna
Научное название	Symphysodon discus	Thunnus albacares
Отряд	Cichliformes	Scombriformes
Семейство	Cichlidae	Scombridae
Conservation Status	Least Concern	Least Concern

Physical Traits

Характеристика	Discus	Yellowfin Tuna
Максимальная длина	20,0 cm	239,0 cm
Максимальный вес	0,25 kg	200,0 kg
Окраска	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.	Dark metallic blue-black back contrasting with a silver-white belly; a golden-yellow lateral band runs mid-body; dorsal, anal, and finlets are bright canary yellow with black edges.

Habitat & Environment

Характеристика	Discus	Yellowfin Tuna
Тип воды	Freshwater	Saltwater
Диапазон глубин	—	1-1602m
Ареал обитания	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 …	Pantropical, ranging across the Atlantic, Indian, and Pacific oceans between roughly 40°N and 35°S. Aggregates around seamounts, fish aggregating devices, and thermocline boundaries in pelagic …
Среда обитания	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. …	Pelagic, estuaries

Aquarium Suitability

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

Информация о рыболовстве

Характеристика	Discus	Yellowfin Tuna
Спортивная рыба	Нет	Да
Боевой рейтинг	—	9/10
Мировой рекорд	—	—
Содержание ртути	—	—

Cuisine & Edibility

Discus

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

Yellowfin Tuna

Lean, dense flesh with a clean, meaty flavor; prized for sashimi and poke. Excellent seared rare, grilled as steaks, or served raw; one of the most commercially valued tunas.

Species Overview

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.

Yellowfin Tuna

The yellowfin tuna is a pelagic predator found in tropical and subtropical oceans worldwide. Capable of speeds exceeding 75 km/h, it is prized both as a sport fish and for its high-quality sashimi-grade flesh.