Skip to content
WAnimals
  • Map
  • Species
  • Parks
  • Diving
Log inCreate account
WAnimals

The guide for travellers and animal lovers: discover, plan and share your wild adventures around the world.

Discover wildlife

  • Species
  • Ecosystems
  • Glossary
  • Tags

Explore places

  • Map
  • Countries
  • Parks
  • Diving

Plan experiences

  • Guides

Learn

  • Blog

Resources

  • About us
  • How we build our profiles
  • Help centre
  • Contact
  • Install the app

Follow us

Account

  • Log in
  • Create account

© 2026 WAnimals. All rights reserved.

Terms of servicePrivacyCookiesLegal notice
MapSpeciesParksDiving
  1. Home
  2. Species
  3. Zebra Danio

Bony fish · Cypriniformes · Cyprinidae

Zebra Danio

Danio rerio

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

It is one of the most widely used model organisms in developmental biology and genetics worldwide, thanks to its rapid life cycle and transparent embryos, which let development be watched in real time.

Size

4 cm – 5 cm

Life expectancy

1 year

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Diurnal

Active mainly during the day.

Social structure

School

Gathers in coordinated schools, typical of fish.

Freshwater
7countries10same family

Fun facts

  • It has a remarkable ability to regenerate heart tissue after damage.
  • It eats zooplankton, insects and plant matter.
  • It lives in shallow streams, rivers and floodplains of the Indian subcontinent.
  • regeneraciónIt is one of the most widely used fish in scientific research thanks to its ability to regenerate damaged heart tissue, something adult mammals cannot do.

Life cycle and biology

Skeleton type
Vertebrate - bony skeleton (fish)
Habitat and environment
Shallow streams, rivers and floodplains of the Indian subcontinent
Birth weight
Tiny on hatching from the egg
Size at birth
Tiny at hatching
Sexual maturity
~75 days (the usual laboratory figure; from 10 weeks old in some studies)
Gestation / incubation
Extremely fast embryonic development, hatching in 48-72 hours
Litter / clutch size
100 to 200 eggs per clutch (5-20 released at a time within a mating cycle)
Life expectancy in captivity
3.5 years on average in captivity (a record of up to 5.5-6)

Sources consulted: Shrimp and Snail Breeder · ScienceDirect Topics · Animal Diversity Web · AnAge (genomics.senescence.info) · AquaHoy · MicroscopeMaster

Where to find it

Loading map…

Related species

Other species in the catalogue with the most in common with Zebra Danio — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family

Keep exploring

Based on what we already know about zebra danio.

Share an experience, a fun fact or a tip for seeing the zebra danio.
See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
See its range on the interactive map→
Least Concern

Sumatra Barb

Puntigrus tetrazona

Least Concern

Harlequin Rasbora

Trigonostigma heteromorpha

Common CarpLeast Concern

Common Carp

Cyprinus carpio

GoldfishLeast Concern

Goldfish

Carassius auratus

KoiLeast Concern

Koi

Cyprinus rubrofuscus

Least Concern

Rohu

Labeo rohita

CountriesBangladesh
TagsOmnivore
Omnivore
Diurnal
In schools
Fish
Freshwater
Bangladesh
Bhutan
India
Myanmar
Nepal
Pakistan
United States