Discus vs Tilapia du Nil

Symphysodon discus comparé à Oreochromis niloticus

Taxonomy & Classification

Attribut	Discus	Tilapia du Nil
Nom scientifique	Symphysodon discus	Oreochromis niloticus
Ordre	Cichliformes	Cichliformes
Famille	Cichlidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Attribut	Discus	Tilapia du Nil
Longueur maximale	20,0 cm	60,0 cm
Poids maximum	0,25 kg	4,3 kg
Couleur	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

Attribut	Discus	Tilapia du Nil
Type d'eau	Freshwater	Brackish
Plage de profondeur	—	0-20m
Aire de répartition	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

Attribut	Discus	Tilapia du Nil
Taille minimale de l'aquarium	250 L	—
Température	26-30	—
Plage de pH	5.0-7.0	—
Niveau d'entretien	Difficult	—
Tempérament	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.

Tilapia du Nil

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.

Tilapia du Nil

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.