Discus vs Nile Tilapia

Symphysodon discus comparado com Oreochromis niloticus

Taxonomy & Classification

Atributo	Discus	Nile Tilapia
Nome Científico	Symphysodon discus	Oreochromis niloticus
Ordem	Cichliformes	Cichliformes
Família	Cichlidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Discus	Nile Tilapia
Comprimento Máximo	20,0 cm	60,0 cm
Peso Máximo	0,25 kg	4,3 kg
Cor	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.	Grayish-green to olive body with 7–12 regular dark vertical bars on the flanks; caudal fin shows vertical dark stripes; belly pale gray; breeding males develop a reddish hue on the throat and fins.

Habitat & Environment

Atributo	Discus	Nile Tilapia
Tipo de Água	Freshwater	Brackish
Faixa de Profundidade	—	0-20m
Distribuição Geográfica	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 …	Native to the Nile River system, Lake Victoria, and other East African Rift Valley lakes. Introduced globally for aquaculture; now established in tropical and subtropical …
Habitat	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. …	Originally from the Nile River; now globally distributed through aquaculture. Warm, shallow freshwater lakes, ponds, and rivers (20-35°C). Highly adaptable; tolerates brackish water and oxygen-poor …

Aquarium Suitability

Atributo	Discus	Nile Tilapia
Tamanho Mínimo do Aquário	250 L	—
Temperatura	26-30	—
Faixa de pH	5.0-7.0	—
Nível de Cuidado	Difficult	—
Temperamento	Peaceful	—

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.

Nile Tilapia

Mild, slightly sweet white flesh with low fat and a firm texture; absorbs marinades and spices well. One of the world's most farmed fish; excellent grilled, fried, or baked.

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.

Nile Tilapia

The Nile tilapia is the most widely farmed fish species in the world, cultivated in over 120 countries. Originally from Africa, it is a hardy, fast-growing mouth-brooder that thrives in a wide range of environmental conditions.