Yarrelli Goonch Catfish - (Bagarius Yarrelli)

Fish Details, Description and Information Below:

🐟 Yarrelli Goonch Catfish – (Bagarius bagarius, formerly Bagarius yarrelli) – Giant Indian River Catfish

The Yarrelli Goonch Catfish, traditionally sold in the aquarium hobby as Bagarius yarrelli, is one of the largest and most specialized predatory freshwater catfish encountered in the monster-fish hobby.

Current scientific taxonomy has changed.

The name:

Bagarius yarrelli

is now treated as a junior synonym of:

Bagarius bagarius

For aquarium customers, the name Yarrelli Goonch Catfish can remain useful as the familiar trade name, but the accepted scientific identification should now be listed as Bagarius bagarius.

This enormous river catfish is built for life in powerful current. It has a:

Extremely broad, flattened head
Huge mouth
Long barbels
Muscular body
Strong pectoral fins
Deeply forked tail
Mottled brown, gray, tan, and black camouflage pattern

Wild Goonch inhabit large, rocky rivers of the Indian subcontinent, where they occupy rapid-flowing water and rocky pools and feed primarily on fish, aquatic insects, shrimp, and other animal prey.

This is an extreme specialist fish that can exceed seven feet in total length.

It is not suitable for a conventional home aquarium as an adult.

This listing is for:

WILD-CAUGHT YARRELLI GOONCH CATFISH

🔎 Quick Facts – Yarrelli Goonch Catfish

📛 Common Name: Yarrelli Goonch Catfish
📛 Other Names: Goonch, Giant Goonch, Giant Devil Catfish
🔬 Accepted Scientific Name: Bagarius bagarius
📚 Former / Trade Scientific Name: Bagarius yarrelli
⚠️ Taxonomy: Bagarius yarrelli is currently considered a junior synonym of Bagarius bagarius
🐟 Family: Sisoridae
🧬 Subfamily: Sisorinae
🌿 Stock: Wild Caught
🌎 Region: South Asia / Indian Subcontinent
🇮🇳 Countries: India
🇵🇰 Countries: Pakistan
🇳🇵 Countries: Nepal
🇧🇹 Countries: Bhutan
🇧🇩 Countries: Bangladesh
🇨🇳 Range: Also recorded from the Xizang / Tibetan region of China
🌊 Important Drainages: Ganges, Brahmaputra and other major Indian-subcontinent river systems
🪨 Habitat: Large rivers, rapids, rocky pools and strong-current areas
💧 Water Type: Primarily freshwater
📏 Maximum Recorded Size: Up to approximately 230 cm / 90.5 inches total length
📏 Potential Adult Size: More than 7 feet
🏠 Adult Housing: Public-aquarium-scale or enormous custom system
🚫 Conventional Home Aquarium: Not suitable as permanent adult housing
🌡️ Temperature: Approximately 64–77°F
💧 pH: Approximately 6.5–7.8
💦 Hardness: Approximately 12–30 dGH documented
💨 Oxygenation: Extremely High
🌊 Water Movement: Strong
🍽️ Diet: Carnivorous Predator
🐟 Natural Foods: Fish
🦐 Natural Foods: Shrimp and other crustaceans
🐛 Natural Foods: Aquatic insects
🐸 Natural Foods: Frogs may also be consumed
🌙 Activity: Bottom-oriented ambush predator; can feed both day and night
⚠️ Tankmates: Extreme caution
🐟 Small Fish: Will be viewed as prey
🥚 Reproduction: River spawner associated with the pre-monsoon / early rainy season
🏠 Aquarium Breeding: Not considered a practical home-aquarium project
⭐ Care Level: Expert / Institutional
🚨 IUCN Status: Vulnerable

🚨 Important Taxonomy Update

The aquarium trade has traditionally sold this fish as:

Bagarius yarrelli

However, modern taxonomic work concluded that the Indian-subcontinent fish formerly called B. yarrelli does not represent a separate species from:

Bagarius bagarius

Because B. bagarius was named first, in 1822, that older scientific name takes priority.

Therefore:

Bagarius yarrelli = Junior Synonym

and the accepted name is:

Bagarius bagarius (Hamilton, 1822)

🏷️ Why Keep “Yarrelli Goonch” in the Product Name?

The name:

YARRELLI GOONCH

has been used in the aquarium trade for decades and remains familiar to monster-fish keepers.

It can still be retained as the:

TRADE / COMMON NAME

while using the scientifically accepted name:

Bagarius bagarius

in the species information.

A good product title is:

**Yarrelli Goonch Catfish – (Bagarius bagarius, formerly Bagarius yarrelli)**

⚠️ Major Identification Warning – Southeast Asian Goonch

Historically, the name:

Bagarius yarrelli

was applied far too broadly.

Fish from:

India
Nepal
Bangladesh
Thailand
Laos
Cambodia
Vietnam
Malaysia
Indonesia

were sometimes all grouped together under the “Yarrelli Goonch” name.

Modern taxonomy shows that this was incorrect.

🌏 Indian vs. Southeast Asian Goonch

The currently accepted:

Bagarius bagarius

is associated with the:

INDIAN SUBCONTINENT

Large Southeast Asian Goonch formerly identified as B. yarrelli may instead represent:

Bagarius lica

or another member of the genus Bagarius.

🚨 Collection Locality Matters

For wild-caught Goonch Catfish:

SUPPLIER ORIGIN IS EXTREMELY IMPORTANT

If a fish was collected or exported from:

India
Bangladesh
Nepal
Pakistan

then Bagarius bagarius is the expected identification.

If it originated from:

Thailand
Cambodia
Laos
Vietnam
Malaysia
Sumatra
Borneo

the fish should not automatically be labeled Bagarius bagarius.

It may instead be:

Bagarius lica
Bagarius rutilus
Bagarius suchus
Bagarius vegrandis
Another recognized Bagarius

depending on locality and morphology.

❌ Remove the Mekong From This Species Page

The older product page lists:

GANGES + MEKONG + BRAHMAPUTRA

under the same species.

That should be removed.

Under current taxonomy:

BAGARIUS BAGARIUS IS AN INDIAN-SUBCONTINENT SPECIES

The famous giant Goonch of Southeast Asian river systems are now treated separately.

🌎 Native Distribution

Current scientific records place Bagarius bagarius primarily across the:

INDIAN SUBCONTINENT

including:

India
Pakistan
Nepal
Bhutan
Bangladesh

with records extending into the Xizang / Tibetan region of China.

🇮🇳 India

The species is widely recorded from India.

Important river systems include portions of the:

Ganges
Brahmaputra
Krishna
Mahanadi
Narmada
Other large river systems

🇳🇵 Nepal

Goonch are documented from major Nepalese rivers including systems such as the:

Karnali
Gandaki
Bheri
Mahakali
Seti

These are powerful river environments that illustrate how specialized this fish is for moving water.

🇧🇩 Bangladesh

The species occurs within major Bangladeshi river systems associated with the:

Ganges
Brahmaputra
Meghna

and connected river habitats.

🪨 Natural Habitat

The Goonch is strongly associated with:

LARGE, FLOWING RIVERS

especially:

Rapids
Rocky pools
Boulders
Deep channels
Strong current
Highly oxygenated water

This is not a swamp, pond, or slow-water catfish.

🌊 Built for Powerful Current

Its unusual body shape is an adaptation to strong water flow.

The Goonch has a:

Broad flattened head
Flattened front body
Large pectoral fins
Powerful musculature

that helps it remain close to the river bottom even in strong current.

🪨 Rocky River Bottom

Natural habitat commonly contains:

Large boulders
Stones
Gravel
Rock ledges
Deep rocky pools
Current breaks

The fish can rest behind large rocks and then move into faster water when feeding.

💨 Extremely High Oxygen Requirement

For captive Goonch:

OXYGENATION IS CRITICAL

These fish evolved in moving river systems.

Suitable systems require:

Powerful pumps
Strong filtration
Surface agitation
Air stones
High-capacity circulation pumps
Multiple water returns
Large biological filtration systems

⚠️ Warm, Stagnant Water Is Dangerous

A Goonch should never be maintained in:

Hot stagnant water
Low-flow aquariums
Poorly oxygenated systems
Dirty water
High-organic-load conditions

This species is fundamentally a:

HIGH-FLOW RIVER CATFISH

🌡️ Temperature

Current biological references give a temperature range of approximately:

64–77°F / 18–25°C

This is important.

The Goonch should not automatically be treated like a tropical catfish requiring:

80–84°F

year-round.

⚠️ Avoid Excessive Heat

As temperature rises:

DISSOLVED OXYGEN FALLS

That is particularly problematic for a fish naturally associated with highly oxygenated river environments.

For long-term maintenance:

COOLER + HIGHLY OXYGENATED

is preferable to:

HOT + LOW OXYGEN

💧 Water Parameters

A scientifically supported range includes:

🌡️ Temperature: Approximately 64–77°F
💧 pH: Approximately 6.5–7.8
💦 Hardness: Approximately 12–30 dGH documented
💨 Dissolved Oxygen: Extremely High
🌊 Current: Strong
☠️ Ammonia: 0 ppm
☠️ Nitrite: 0 ppm
🔄 Nitrate: Keep as low as practical

📏 Adult Size – True River Monster

One of the most important facts customers must understand is the potential adult size.

Current scientific databases document:

UP TO APPROXIMATELY 230 CM TOTAL LENGTH

That equals approximately:

90.5 INCHES

or:

7½ FEET

🚨 Seven-Foot Adult Potential

A juvenile Goonch may be only:

3 inches
5 inches
8 inches

when offered for sale.

That does not make it an aquarium-sized species.

Customers must plan for the:

ADULT FISH

not its current juvenile size.

❌ A 1,000-Gallon Aquarium Is Not a Lifetime Guarantee

The older page gives:

1,000+ GALLONS

as the minimum.

That number needs more explanation.

A fish capable of exceeding:

7 FEET

cannot responsibly be assigned a simple conventional aquarium minimum.

Even a 1,000-gallon aquarium may eventually be inadequate depending on:

Aquarium dimensions
Individual growth
Filtration
Current
Turning radius
Tankmates

🏢 Adult Housing – Public Aquarium Scale

Permanent adult housing should be thought of as:

PUBLIC-AQUARIUM SCALE

or an exceptionally large purpose-built private system.

A permanent enclosure needs enough room for the fish to:

Turn without touching both sides
Swim against current
Rest fully extended
Move between current zones
Hunt and feed naturally
Avoid constant contact with walls

📐 Footprint Matters More Than Gallons

With giant fish, aquarium gallon volume alone becomes misleading.

A tall tank may contain thousands of gallons but still have an inadequate:

Length
Width
Turning radius

A Goonch needs an:

EXTREMELY LONG + EXTREMELY WIDE

system.

🚨 This Is Not a Typical Monster-Fish Aquarium Species

Adult housing may ultimately require:

Several thousand gallons
Indoor pond construction
Public aquarium infrastructure
Commercial filtration
Large-volume water changes
Custom pumps
Emergency backup systems

Potential buyers should establish their permanent housing plan:

BEFORE PURCHASING THE FISH

💩 Giant Fish = Giant Bioload

A large predatory catfish produces enormous quantities of:

Feces
Nitrogenous waste
Uneaten food debris
Dissolved organic material

Industrial-scale filtration becomes increasingly important as the fish grows.

💧 Filtration

A permanent system should provide extremely high-capacity:

Mechanical Filtration

to remove:

Feces
Food debris
Suspended material

Biological Filtration

to process:

Ammonia
Nitrite

Oxygenation

through:

Surface agitation
Aeration
High water turnover

⚡ Backup Equipment

For exceptionally large Goonch systems, redundancy should be considered essential.

Useful safeguards include:

Backup air pumps
Backup circulation
Generator capability
Water-temperature alarms
Power-loss alarms

A major pump failure can become dangerous quickly for a large oxygen-demanding fish.

🎨 Appearance

The Goonch is built for camouflage.

Typical coloration includes:

Gray
Olive
Tan
Brown
Yellow-brown

with darker:

Saddles
Blotches
Mottling
Speckling

🪨 Riverbed Camouflage

Its irregular pattern allows the fish to blend extremely effectively among:

Rocks
Gravel
Boulders
Shadowed river bottoms

A motionless Goonch can be surprisingly difficult to see against natural rockwork.

😮 Massive Head & Mouth

One of the defining characteristics is the:

EXTREMELY BROAD HEAD

combined with a very large mouth.

This allows the fish to take substantial animal prey.

🐱 Barbels

Like other catfish, Goonch possess sensory:

BARBELS

around the mouth.

These assist in locating prey and navigating river-bottom habitat.

🍽️ Diet – Carnivorous Predator

Bagarius bagarius is best described as:

CARNIVOROUS

Natural foods include:

Small and medium fish
Shrimp
Prawns
Aquatic insects
Other crustaceans
Frogs

🐟 Fish Are an Important Natural Food

Fish form a major part of the diet of large Goonch.

In captivity, suitable alternatives can include appropriately sized:

Frozen whole fish
Fish fillets with appropriate nutritional variety
Whole marine foods
Prepared predator diets

🦐 Crustaceans

Excellent foods may include:

Whole shrimp
Prawns
Krill
Mysis for juveniles

🪱 Other Foods

Depending on fish size, suitable foods can include:

Earthworms
Insect larvae
Large carnivore pellets
Other appropriately balanced carnivore foods

⚠️ Feed a Varied Diet

Do not feed only:

Shrimp

or only:

One species of fish

for the fish's entire life.

Dietary variety helps reduce nutritional deficiencies.

🚫 Avoid Feeder Fish

There is generally no need to use live feeder fish.

Feeder fish may introduce:

Parasites
Bacteria
Internal disease
Poor nutritional balance

A Goonch can be conditioned to accept appropriately selected:

FROZEN + FRESH + PREPARED FOODS

⚠️ Small Tankmates Are Food

Any fish small enough to fit into the Goonch's mouth should be considered:

POTENTIAL PREY

Do not assume a tankmate is safe simply because the Goonch has ignored it previously.

🐟 Tankmates – Extreme Caution

This species is not recommended for a normal community aquarium.

Potential tankmates would have to be:

Extremely large
Too large to swallow
Compatible with cooler high-flow conditions
Able to withstand extremely strong current

Even then:

COMPATIBILITY IS NOT GUARANTEED

✅ Safest Long-Term Option

For most privately maintained specimens:

SPECIES-ONLY / SINGLE-FISH HOUSING

is the safest recommendation.

⚠️ Do Not House With Slow, Delicate Fish

Avoid tankmates that are:

Slow-moving
Delicate
Long-finned
Small enough to swallow
Unable to tolerate powerful current

🌊 Activity & Behavior

Goonch are strongly bottom-oriented.

They commonly:

Rest against the substrate
Shelter behind rocks
Face into current
Remain motionless for extended periods
Accelerate rapidly when feeding

⚡ Extremely Powerful Fish

Do not mistake a resting Goonch for an inactive or weak animal.

When motivated, these fish can produce:

VERY POWERFUL BURSTS OF MOVEMENT

A large specimen can easily disturb:

Rocks
Decorations
Plumbing
Poorly secured lids

🪨 Aquarium / Pond Setup

A juvenile or subadult system should contain:

Large open bottom area
Smooth stones
Large boulders
Secure rock formations
Current breaks
Strong flow
Extremely high oxygenation

⚠️ Avoid Sharp Decorations

Because these fish rest close to the bottom and can move explosively:

USE SMOOTH STRUCTURE

Avoid sharp decorations capable of:

Cutting the skin
Damaging barbels
Injuring the abdomen

🪨 Secure Everything

A large Goonch is extremely powerful.

Aquarium décor, plumbing, and equipment should be:

SECURELY INSTALLED

A large fish can shift objects that would be immovable to normal aquarium species.

🛡️ Handling Warning

A large Goonch should never be handled casually.

The combination of:

Extreme body size
Powerful musculature
Large mouth
Teeth
Strong fin structures

creates a genuine injury risk.

🚫 Never Hand Feed a Large Goonch

Do not intentionally condition a giant predatory catfish to:

TAKE FOOD FROM YOUR HAND

Use:

Feeding tongs
Long feeding tools
Controlled feeding methods

when the fish becomes large.

⚠️ Bite Risk

The species should not be marketed sensationally as a:

“MAN-EATER”

but a large predatory catfish with a powerful mouth can still cause significant injury.

Keep hands away from the mouth of large specimens.

🚫 Do Not Use Sensational Human-Attack Claims

Goonch became famous through stories of alleged attacks on people.

Those stories are not necessary for responsible product marketing.

A more accurate description is:

A VERY LARGE AND POWERFUL PREDATORY RIVER CATFISH

That is impressive enough without unsupported claims.

♂️ Male vs. Female

Reliable visual sexing information for aquarium specimens is extremely limited.

There is no simple dependable juvenile characteristic that allows a retailer to guarantee:

Male
Female

Therefore:

SELL AS UNSEXED

unless sex is confidently established by qualified examination.

🥚 Reproduction

Bagarius bagarius is a:

RIVER-SPAWNING SPECIES

Natural reproduction is associated with the period:

BEFORE OR NEAR THE BEGINNING OF THE MONSOON / ANNUAL FLOOD SEASON

🌧️ Seasonal River Breeder

Natural reproductive behavior is tied to:

River flow
Rainfall
Seasonal flooding
Migration
Large-scale environmental changes

These conditions are extremely difficult to reproduce in normal aquariums.

🚫 Not a Practical Home Breeding Project

Do not describe this fish as:

Cave spawning
Easy to breed
Routinely captive bred

There is no established conventional home-aquarium breeding method for giant Goonch.

🌎 Conservation Status – Vulnerable

The currently accepted Bagarius bagarius is classified globally as:

VULNERABLE

The current assessment dates to:

2022

⚠️ Why Vulnerable?

Major pressures include:

Fishing
Overharvesting
Habitat degradation
River modification
Dams
Pollution

Large river fishes can be especially vulnerable because they depend on connected river habitats and may reproduce slowly compared with smaller species.

🌿 Wild-Caught Responsibility

This listing is for:

WILD-CAUGHT FISH

A customer purchasing one should be fully prepared for:

Extreme adult size
Permanent specialized housing
Large filtration systems
High electricity use
Powerful circulation
Long-term feeding expenses
Potential rehoming difficulty

🚨 Think About the Adult Before Buying the Juvenile

The most important message on this entire page is:

A SMALL GOONCH DOES NOT STAY SMALL

A juvenile may fit comfortably into an aquarium today.

The same fish has the biological potential to become:

SEVERAL FEET LONG

❌ Do Not Buy With Plans to “Upgrade Later”

For a fish with this adult potential, the permanent housing plan should already exist.

Finding a new home for a multi-foot Goonch can be extremely difficult because:

Most aquarium stores cannot accept one
Most hobbyists cannot house one
Many public aquariums do not accept surrendered fish
Transporting giant fish is difficult and expensive

⭐ Why Keep a Yarrelli Goonch?

For the extremely small number of aquarists equipped to maintain it properly, the Goonch offers:

🐟 Extraordinary adult size
🌊 True high-current river behavior
🪨 Specialized rocky-river adaptations
😮 Massive flattened head
⚡ Incredible power
🎨 Natural camouflage
🦐 Predatory feeding behavior
🌏 Fascinating South Asian origin
🧬 Important modern taxonomic history

It is one of the most extraordinary freshwater catfish in the world.

However:

THIS IS AN EXPERT / INSTITUTIONAL-SCALE SPECIES

and should only be purchased with a realistic permanent housing plan.

⚠️ Important Considerations

Before purchasing a Yarrelli Goonch Catfish:

The accepted scientific name is now Bagarius bagarius.
Bagarius yarrelli is currently treated as a junior synonym.
“Yarrelli Goonch” may remain as the familiar aquarium trade name.
Do not list the accepted B. bagarius range as South and Southeast Asia.
True B. bagarius is associated with the Indian subcontinent.
Remove the Mekong from the normal B. bagarius distribution.
Giant Southeast Asian Goonch may represent Bagarius lica or another species.
Supplier country and collection locality are extremely important for identification.
This listing is for wild-caught fish.
Current scientific records document up to approximately 230 cm / 90.5 inches total length.
Adult potential exceeds seven feet.
This is not suitable for a conventional home aquarium as an adult.
Permanent housing should be considered public-aquarium scale.
Do not treat 1,000 gallons as a guaranteed lifetime minimum.
Aquarium footprint is more important than gallon number alone.
Maintain approximately 64–77°F.
Do not maintain continuously at unnecessarily high tropical temperatures.
Maintain extremely high dissolved oxygen.
Provide very strong water movement.
Keep ammonia and nitrite at zero.
Keep nitrate and organic waste low.
Use extremely powerful mechanical and biological filtration.
Provide smooth rocky structure.
Secure all décor and equipment.
Feed a varied carnivorous diet.
Fish, shrimp, prawns, insects, and other suitable animal foods are appropriate.
Avoid relying on live feeder fish.
Small tankmates will be eaten.
Species-only housing is safest.
Large specimens can cause serious injuries if handled improperly.
Do not hand-feed large adults.
Do not market the species with unsupported “man-eater” claims.
Captive aquarium breeding is not established as a routine practice.
Natural reproduction is associated with seasonal river conditions.
The accepted species is currently classified as Vulnerable.
Never release this fish into natural waterways.

🧬 Taxonomy

The currently accepted scientific name is:

Bagarius bagarius (Hamilton, 1822)

Classification:

Order: Siluriformes
Family: Sisoridae
Subfamily: Sisorinae
Genus: Bagarius
Species: bagarius

Former aquarium/scientific identification:

Bagarius yarrelli (Sykes, 1839)

Current status:

JUNIOR SYNONYM OF BAGARIUS BAGARIUS

For this product, use:

**Yarrelli Goonch Catfish – (Bagarius bagarius, formerly Bagarius yarrelli)**

🧬 Identification Disclaimer

The name “Yarrelli Goonch” has historically been applied to multiple large Bagarius from different parts of Asia.

Modern revisions recognize several distinct species, including:

Bagarius bagarius
Bagarius lica
Bagarius rutilus
Bagarius suchus
Bagarius vegrandis
Bagarius protos
Bagarius dolichonema

Because this listing is for a wild-caught fish:

COLLECTION COUNTRY AND LOCALITY SHOULD BE PRESERVED WHENEVER POSSIBLE

If supplier records indicate Southeast Asian origin rather than the Indian subcontinent, the fish's identification should be reviewed rather than automatically calling it Bagarius bagarius.

🚨 Vulnerable Species Disclaimer

Bagarius bagarius is currently classified as:

VULNERABLE

on the IUCN Red List.

The IUCN conservation category is not itself a blanket prohibition on aquarium ownership or domestic sale, but responsible sourcing and permanent care are especially important for a wild-caught giant river fish.

🚚 Live Fish Shipping

Live fish are professionally packed for safe transport.

Shipping availability depends on:

Fish size
Destination
Weather conditions
Carrier availability
Applicable state and local regulations

As Goonch Catfish grow, shipping becomes progressively more specialized.

Large specimens may require:

Oversized insulated shipping containers
Heavy-duty fish bags
Multiple protective bag layers
Large amounts of water
Specialized oxygen packing
Airline cargo transportation

Very large specimens eventually become unsuitable for ordinary parcel shipment.

Please review our Shipping & Payment Information and Live Arrival Guarantee / DOA Policy before ordering.

⚠️ Buyer Responsibility

Customers are responsible for confirming that Bagarius bagarius may legally be purchased, possessed, transported, and received in their state or local jurisdiction before ordering.

Customers should also have appropriate permanent housing planned before purchasing this species.

Never release aquarium fish into natural waterways.