Back to Species Pages
#1974Species-level IDRelatively commonFishTier D

Animal field guide

Red-tailed Black Shark

Identification, habitat, rarity, behavior, symbolism, facts, and practical lessons from nature.

Red-tailed Black Shark (Epalzeorhynchos bicolor) featured animal image on AnimalDex
Relatively common
Novaliches · Quezon City · Metro Manila · Philippines
Domestic
Story
Animal Power

Territorial Balance

Respect Space.

What it teaches

Red-tailed Black Sharks are known for their territorial nature, maintaining distinct areas within their habitat to reduce conflict and ensure harmony.

You’re #1 of 1

3 weeks ago
Novaliches · Quezon City · Metro Manila · Philippines

RECORD ID

B7D9B564-7888-482D-8CC8-BD20A492FCEE

Native range

Natural range, not this capture location

Broad land range
Southeast Asia

Native range keys: southeast_asia.

Wild reward hint

First-time wild species earn bonus rewards, including 1 free credit.

Search near me

Scientific name

Epalzeorhynchos bicolor

Category

Fish

Habitat

Native range keys: southeast_asia.

Rarity

Relatively common · 36/100

Native range

Native range keys: southeast_asia.

Why Territorial Balance?

The creator's reasoning behind this Animal Principle and the biology that supports it.

The Solitary Tank Patroller. The Solitary Tank Patroller. Guarded persistence can secure a niche, even in crowded, shifting environments.

How to identify a Red-tailed Black Shark

  • Recognized in AnimalDex as Red-tailed Black Shark
  • Indexed profile #1974

Habitat: Native range keys: southeast_asia.

Native range: Native range keys: southeast_asia.

Native range

Natural range, not this specific capture location.

Broad land range
Southeast Asia

Native range keys: southeast_asia.

To find Red-tailed Black Shark 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 native range keys: southeast_asia. than by covering too much ground.

  • Native range keys: southeast_asia.
  • Protected habitat blocks within native range keys: southeast_asia.
  • Start early, pick one strong patch of habitat, and stay long enough for movement to return after you arrive.
  • Look for food, cover, and movement routes in the same place, because the best sightings usually happen where those overlap.
  • Choose a viewing point with clean light and water visibility, then watch for repeated surfacing, feeding, or current lines.

Red-tailed Black Shark eats the foods its body design and habitat make easiest to access. Diet can shift across seasons, life stages, and local competition.

  • The most accessible prey or plant foods in its habitat
  • Energy-rich foods that match its size and behavior
  • Seasonal resources available in the local environment

A practical answer for Red-tailed Black Shark always depends on what food is actually available in native range keys: southeast_asia..

  • Establish clear boundaries and respect others' space.

Red-tailed Black Shark most often symbolizes territorial balance in AnimalDex because its real survival behavior repeatedly shows this pattern.

Red-tailed Black Sharks are known for their territorial nature, maintaining distinct areas within their habitat to reduce conflict and ensure harmony.

In the wild, Red-tailed Black Sharks establish and defend territories to minimize competition and promote peaceful coexistence.

  • 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.

Related animals

More animals with Boundaries

Browse all Boundaries animals

Take the encyclopedia outside

AnimalDex helps you scan real animals, identify species, collect cards, and learn from nature wherever you are.

Real-world collectionSpecies contextSighting history