Animal field guide
Rosy Tetra
Hyphessobrycon rosaceus
Shoals of this small characin hang loosely in midwater and, at any alarm, close up and turn together so that no single fish stands out. About four centimetres long, with a rose-tinted body and red fins, it comes from forest streams of the Guianas in north-eastern South America.
AnimalDex card
Unlock this animal card
Scan or capture this animal with AnimalDex to reveal its collectible card and add it to your wildlife collection.
Get AnimalDexRosy Tetra at a glance
Animal · Domesticated worldwide · Slow · Relatively common
Known for: Deep, Black blotch on the dorsal fin, Red pelvic, Small adipose fin between dorsal fin and tail
AnimalDex Power: Synchronized Movement
Animal Power
Synchronized Movement
Move in harmony with your team to enhance safety and impact.
The Rosy Tetra's synchronized swimming in tight schools confuses predators and enhances group safety, demonstrating the power of coordinated action.
“Dance Together, Stay Safe.”
Biological basis
Rosy Tetras form tight schools, creating a mesmerizing display that confuses predators and enhances their collective safety.
Put it into practice
Children cross the busy road in one tight group, all stepping off the kerb together.
What does the rosy tetra symbolize?
The rosy tetra symbolizes synchronized movement: move in harmony with your team to enhance safety and impact. It represents coordination, safety in numbers and teamwork. Its AnimalDex motto: "Dance Together, Stay Safe."
The rosy tetra as a spirit animal
If the rosy tetra is your spirit animal, the AnimalDex reading is Synchronized Movement: the Rosy Tetra's synchronized swimming in tight schools confuses predators and enhances group safety, demonstrating the power of coordinated action. It suggests a strength in coordination and safety in numbers, and a reminder to use it on purpose.
What can the rosy tetra help you with in life?
The rosy tetra is a guide for coordination, safety in numbers and teamwork. Its lesson applies wherever coordination matters: the Rosy Tetra's synchronized swimming in tight schools confuses predators and enhances group safety, demonstrating the power of coordinated action.
- Coordination
- Safety in Numbers
- Teamwork
In practice: Children cross the busy road in one tight group, all stepping off the kerb together.
What can we learn from the Rosy Tetra?What does it mean to dream about or encounter a wild rosy tetra?
A wild rosy tetra, whether in a dream or in front of you, tends to show up when coordination or safety in numbers is on your mind. In AnimalDex, the rosy tetra's principle is Synchronized Movement: move in harmony with your team to enhance safety and impact. Read the moment through its core lesson: The Rosy Tetra's synchronized swimming in tight schools confuses predators and enhances group safety, demonstrating the power of coordinated action.
Mostly a prompt rather than a warning. A calm rosy tetra suggests coordination you already have; a threatening one suggests coordination is being tested or pushed too far.
Spotting a rosy tetra in the wild
A real encounter is the plainest version of the sign: notice what the rosy tetra was doing. Move in harmony with your team to enhance safety and impact. That is the coordination worth borrowing today.
A rosy tetra that keeps appearing
Seeing the rosy tetra again and again, in dreams or outside, suggests coordination is a theme you have not settled yet.
Dreaming of being chased by a rosy tetra
Being chased suggests you are avoiding the Synchronized Movement the rosy tetra stands for: the Rosy Tetra's synchronized swimming in tight schools confuses predators and enhances group safety, demonstrating the power of coordinated action. Ask what you keep postponing that needs coordination.
Dreaming that a rosy tetra attacks you
An aggressive rosy tetra can mirror a conflict where coordination has become a weapon rather than a strength.
A calm or friendly rosy tetra
Meeting a peaceful rosy tetra is usually encouraging: safety in numbers and teamwork are within reach.
A dead or injured rosy tetra
Seeing the rosy tetra hurt may point to safety in numbers that has been neglected. Ask what it would take to restore it.
These readings are reflective prompts drawn from how the rosy tetra really lives, not predictions. If you meet one in the wild, watch from a distance and leave it undisturbed.
Animal field guide
Rosy Tetra
Sign in to hear this read by a natural AI voice instead of your browser's.
Synchronized Movement
Dance Together, Stay Safe.
The Rosy Tetra's synchronized swimming in tight schools confuses predators and enhances group safety, demonstrating the power of coordinated action.
Native range
Natural range, not this capture location
Slow, shaded forest streams and backwaters in the Guianas of north-eastern South America. It is usually described from quiet water among sunken wood, leaf litter and marginal plants, though the wild microhabitat has been little surveyed.
Search near meAnimalDex stats
Dominance
9
Speed
15
Size
4
Intelligence
18
Rarity
22%
Total
68
Size scale
STEP 2 · PROVE IT
STEP 3 · BATTLE & FUSE
Understand the animal
Understand the Rosy Tetra
Factual biology first: what this animal is like, where it lives, how it survives, and why those traits exist.
01
Introduction to Rosy Tetra
Shoals of this small characin hang loosely in midwater and, at any alarm, close up and turn together so that no single fish stands out. About four centimetres long, with a rose-tinted body and red fins, it comes from forest streams of the Guianas in north-eastern South America.
How to identify a Rosy Tetra
- Deep, flattened body tinted translucent pink
- Black blotch on the dorsal fin, edged with white
- Red pelvic, anal and tail fins
- Small adipose fin between dorsal fin and tail
Why Rosy Tetra are interesting
- The species was described in 1909 by the American ichthyologist Marion Durbin, from fish collected in what was then British Guiana.
- Most rosy tetras sold for aquaria are bred on fish farms, not caught from the wild.
- Aquarium keepers often confuse it with the ornate tetra, a close relative of similar colour, and the two are sold under each other's names.
- Keepers report that the colours are strongest in soft, acidic water stained brown by leaf litter, and look washed out in hard water under bright light.
- Its genus, Hyphessobrycon, is one of the largest among the characins, with well over a hundred small South American species.
02
Adaptations and biological abilities
03
Why does Rosy Tetra behave this way?
- Deep, flattened body tinted translucent pink
- Black blotch on the dorsal fin, edged with white
- Red pelvic, anal and tail fins
- Small adipose fin between dorsal fin and tail
Active by day. After dark it hangs almost motionless close to plants or the bottom until the light returns.
04
Why Slow?
Habitat: Slow, shaded forest streams and backwaters in the Guianas of north-eastern South America. It is usually described from quiet water among sunken wood, leaf litter and marginal plants, though the wild microhabitat has been little surveyed.
Native range: Domesticated worldwide
Native range
Natural range, not this specific capture location.
Some regional overlays are unavailable in this web build.
Slow, shaded forest streams and backwaters in the Guianas of north-eastern South America. It is usually described from quiet water among sunken wood, leaf litter and marginal plants, though the wild microhabitat has been little surveyed.
05
Why this diet?
An omnivore that picks small food from midwater and the surface: insect larvae, tiny crustaceans, worms and some plant matter. The wild diet has been little studied, and most of what is known comes from aquarium fish.
06
Activity, rest, and lifespan
Active by day. After dark it hangs almost motionless close to plants or the bottom until the light returns.
Wild lifespan is not documented. Aquarium fish commonly live several years, with about five years often quoted by keepers.
07
Rosy Tetra reproduction
An egg-scatterer. In aquaria a pair spawns among fine-leaved plants, the female releasing small adhesive eggs that hatch in about a day to a day and a half. The parents give no care and will eat any eggs they find.
Males are slimmer and brighter, with the dorsal fin drawn out into a long point. Females are deeper-bodied, with a shorter, rounded dorsal fin.
08
Predators, threats, and defense
Larger predatory fishes and fish-eating birds are the likely predators, though none has been recorded in detail for this species. Frightened fish dash into plant thickets or under sunken branches.
09
Conservation and rarity
Rarity: Relatively common · 22/100. AnimalDex canonical rarity score: 22/100, maintained by the live indexed species profile.
- Observe from a respectful distance and avoid changing the animal's behavior.
- Do not block feeding, shelter, nesting, or travel routes.
- Use a live camera capture without handling or staging wildlife.
Speak to the animal
Speak to the Rosy Tetra
It answers as itself: ask about how it lives, or bring it something of yours and hear what it would do, from its own Power.
Anonymous: 3/day. Signed-in: 10/day. Pro: 100/day.
Compare
Compare the Rosy Tetra
No matchups written for the Rosy Tetra yet. Pick any animal to put it up against. Compare with any animal →
Battled in the Arena
No one has taken a Rosy Tetra into an Arena battle yet. Battles players fight with this animal in the AnimalDex app show up here.
Where to find them
Where to find Rosy Tetra
To find Rosy Tetra in the wild, focus on the exact habitat patches that match its body design and daily behavior, not just the broad country where it exists. You usually do better by working one good piece of habitat inside domesticated worldwide than by covering too much ground.
- Forest edge, canopy gaps, fruiting trees, or shaded trails where cover and food meet
- Protected habitat blocks within domesticated worldwide
Scientific name
Hyphessobrycon rosaceus
Category
Animal
Habitat
Slow, shaded forest streams and backwaters in the Guianas of north-eastern South America. It is usually described from quiet water among sunken wood, leaf litter and marginal plants, though the wild microhabitat has been little surveyed.
Rarity
Relatively common · 22/100
Native range
Domesticated worldwide
Take the encyclopedia outside
AnimalDex helps you scan real animals, identify species, collect cards, and learn from nature wherever you are.
