Rainbowfish
ExploreFish
Rainbowfish
Running River rainbowfish
Rainbowfish are tiny and colorful, like little rainbows swimming in the water! They love to group together and are very friendly.
Appearance
The Rainbowfish has an elongated body adorned with iridescent scales that shimmer in vibrant hues of blue, green, yellow, and red. It often displays distinct horizontal stripes along its sides, making it visually striking and different from plain-coloured stream fish.
KingdomAnimaliaPhylumChordataClassActinopterygiiOrderAtheriniformesFamilyMelanotaeniidaeGenusMelanotaenia
Category
FishRarity
Common
Danger
2/5 · Low
Snaps
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Interesting facts
Did you know male Rainbowfish 'flash' their brightest colours to win over females?
Some Rainbowfish can instantly change their colour intensity like a mood ring!
The oldest known Rainbowfish lived for over 8 years in an aquarium!
They use their fins to 'dance' in the water, showing off their beauty!
Special abilities
Ability
Colour Communication
Rainbowfish can brighten or dim their dazzling colors because it helps them attract mates and communicate with other fish.
Ability
Spotlight Vision
Rainbowfish have excellent eyesight that helps them easily spot tiny insects and algae to eat in clear water.
Ability
Schooling Safety
Rainbowfish can swim together in large groups, which helps them confuse predators and stay safe in open waters.
Measurements & details
- Length
- 8-15 cm
- Weight
- 0.005-0.02 kg
- Lifespan
- 3-6 years
- Swim Speed
- 7 km/h
- Maximum Depth
- 2 m
- Water Type
- Freshwater
Diet & Feeding
These tiny fish munch on small insects, algae, and plankton found floating in the water.
Age differences: Younger fish primarily consume microscopic plankton.
Primary Foods
- insect larvae
- algae
- zooplankton
- small crustaceans
- detritus
Foraging Method
- Foraging
Ecological connections
eaten by
Barramundi
Lates calcarifer
Larger predatory fish hunt juvenile and adult rainbowfish.
eaten by
Royal Spoonbill
Platalea regia
Wading birds often prey on rainbowfish in shallow waters.
eats
Bloodworm
Chironomus plumosus
Rainbowfish consume the larvae of various aquatic insects.
eats
Water Silk Algae
Spirogyra fluviatilis
They graze on filamentous algae growing on submerged surfaces.
Traits
Wildlife
Wildlife encompasses all undomesticated animal and plant life existing in their natural habitats.
Social
Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
Omnivorous
This trait identifies organisms whose diet includes both plant and animal matter.
Colorful
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
Freshwater
Freshwater habitats include non-saline aquatic environments such as rivers, lakes, ponds, and wetlands, vital for numerous species.
Aquatic
Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.
Also known as
Australian RainbowfishMelanotaeniaNeon Rainbowfish
Collections
Safety
Danger
2/5 · Low
Watch quietly from a distance and never try to feed or chase wild animals.
Frequently Asked Questions
How long is Rainbowfish?
8-15 cm
How much does Rainbowfish weigh?
0.005-0.02 kg
How long does Rainbowfish live?
3-6 years
What does Rainbowfish eat?
These tiny fish munch on small insects, algae, and plankton found floating in the water.
How fast can Rainbowfish swim?
7 km/h
How does Rainbowfish hunt?
Foraging
How deep can Rainbowfish go?
2 m
What kind of water does Rainbowfish live in?
Freshwater
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