Tilapia du Nil vs Zebra Danio

Oreochromis niloticus comparé à Danio rerio

Taxonomy & Classification

Attribut	Tilapia du Nil	Zebra Danio
Nom scientifique	Oreochromis niloticus	Danio rerio
Ordre	Cichliformes	Cypriniformes
Famille	Cichlidae	Danionidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Attribut	Tilapia du Nil	Zebra Danio
Longueur maximale	60,0 cm	5,0 cm
Poids maximum	4,3 kg	0,001 kg
Couleur	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.	Silver to pale gold body with five continuous horizontal royal-blue stripes running from gill to tail tip, including through the fins; belly silvery-white; fins clear with blue-gold striping.

Habitat & Environment

Attribut	Tilapia du Nil	Zebra Danio
Type d'eau	Brackish	Freshwater
Plage de profondeur	0-20m	—
Aire de répartition	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 …	Native to the Ganges and Brahmaputra river basins of Bangladesh, India, Nepal, and Myanmar. Inhabits fast-flowing hill streams, rice paddies, and shallow ponds across the …
Habitat	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 …	Fast-flowing, clear mountain streams of the Ganges-Brahmaputra region, India and Bangladesh. Clean, well-oxygenated, shallow water with sandy and gravelly substrate (18-26°C). Lab model organism.

Aquarium Suitability

Attribut	Tilapia du Nil	Zebra Danio
Taille minimale de l'aquarium	—	40 L
Température	—	18-24
Plage de pH	—	6.0-8.0
Niveau d'entretien	—	Easy
Tempérament	—	Peaceful

Cuisine & Edibility

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.

Zebra Danio

Not consumed — a hardy ornamental aquarium fish notable for its horizontal blue-silver stripes and active schooling behavior; also a widely used laboratory model organism.

Species Overview

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.

Zebra Danio

The zebrafish is a small cyprinid native to South Asia's freshwater streams. Its distinctive blue-and-gold horizontal stripes and hardy nature make it a popular aquarium fish. It is also the most widely used vertebrate model organism in genetic research.