🐯 L377 Prince Tiger Pleco – (Peckoltia sp. L377) – Wild-Caught Rio Caeté Pleco

The L377 Prince Tiger Pleco (Peckoltia sp. L377) is a beautifully patterned Brazilian pleco known for its bold dark tiger-like bands over a yellow, beige, cream, or orange-toned body.

Its especially attractive fins can develop strong:

• Orange
• Yellow-orange
• Cream
• Black

banding, giving well-acclimated specimens a much more colorful appearance than stressed or newly imported fish.

L377 is native specifically to the:

RIO CAETÉ IN PARÁ, BRAZIL

and remains scientifically undescribed.

The correct identification is:

Peckoltia sp. L377

This listing is for:

WILD-CAUGHT L377 PRINCE TIGER PLECOS

---

🔎 Quick Facts – L377 Prince Tiger Pleco

• 📛 Common Name: Prince Tiger Pleco
• 📛 Other Names: L377 Pleco, Tiger Pleco
• 🔢 L-Number: L377
• 🔢 Older Aquarium Number: LDA018 / LDA18
• 🔬 Scientific Identification: Peckoltia sp. L377
• 🧬 Taxonomic Status: Scientifically Undescribed
• 🐟 Family: Loricariidae
• 🧬 Subfamily: Hypostominae
• 🌿 Stock: Wild Caught
• 📏 Current Size: Approximately 3–4 inches
• 🇧🇷 Country: Brazil
• 📍 State: Pará
• 🌊 Native River: Rio Caeté
• 🌎 Distribution: Endemic to the Rio Caeté system
• 💧 Water Type: Freshwater
• 📏 Adult Planning Size: Approximately 5–6 inches
• 📏 Recent Scientific Adult Record: Approximately 13 cm / 5.1 inches
• 📏 Specialist Maximum: Approximately 15 cm / 5.9 inches
• 🏠 Recommended Aquarium: 30–40 gallons or larger
• 👥 Groups / Breeding Colonies: 40–55+ gallons preferred
• 🌡️ Temperature: Approximately 77–84°F
• 💧 pH: Approximately 6.0–7.5
• 💦 Water: Soft to moderately mineralized
• 💨 Oxygenation: Good to High
• 🌊 Water Movement: Moderate
• 🍽️ Diet: Omnivore
• 🌿 Plant / Biofilm Foods: Important
• 🦐 Animal / Insect Protein: Important
• 🚫 Algae Cleaner: Should not be purchased solely for algae control
• 🪵 Driftwood: Recommended for structure and grazing surfaces
• 😌 Temperament: Generally peaceful
• ⚠️ Pleco Temperament: Some territorial behavior around caves
• 🌙 Activity: Primarily crepuscular / nocturnal
• 🥚 Breeding: Confirmed Cave Spawner
• 👨‍👧 Parental Care: Male guards the eggs and fry
• ♂️ Male Trait: Strong odontodes along the body and caudal peduncle
• ⭐ Care Level: Intermediate
• 🌎 IUCN Status: Not Evaluated as an undescribed species

---

🧬 L377 Is Still Scientifically Undescribed

The correct identification remains:

Peckoltia sp. L377

The abbreviation:

sp.

means the fish is recognized as belonging to the genus:

Peckoltia

but has not yet received a formally published species name.

A recent Brazilian study published in 2026 continues to identify the fish as:

Peckoltia sp. L377

Therefore:

DO NOT INVENT OR SUBSTITUTE A SPECIES NAME

For this product, use:

L377 Prince Tiger Pleco – (Peckoltia sp. L377)

---

🔢 L377 & LDA18

Before receiving the L-number:

L377

this pleco was also known in the aquarium hobby as:

LDA18

The Prince Tiger common name was already in use before the L377 designation became established.

Both aquarium numbers can appear in older references.

For current identification:

L377

should remain the primary designation.

---

🐯 Why Is It Called the Prince Tiger Pleco?

The Prince Tiger name comes from the fish's attractive:

TIGER-LIKE BODY BANDS

The base coloration can range from:

• Cream
• Beige
• Pale yellow
• Golden yellow
• Orange
• Yellow-brown

overlaid by darker:

• Brown
• Chocolate
• Charcoal
• Nearly black

bands.

---

🎨 Appearance

L377 can look dramatically different depending on its condition.

A healthy, established fish may show:

YELLOW OR ORANGE BODY COLOR

with:

DARK TIGER-LIKE BANDS

particularly over the:

• Head
• Body
• Dorsal fin
• Pectoral fins
• Pelvic fins
• Caudal fin

---

🟠 Orange Fins

The fins can become especially attractive.

Well-conditioned specimens may develop:

ORANGE-AND-BLACK FIN BANDING

that gives the fish considerably more color than many photographs of newly imported L377 suggest.

---

🔄 Stress Coloration

A stressed L377 may become:

• Pale
• Gray
• Beige
• Washed out
• Low contrast

The orange and yellow coloration can become much less visible during:

• Shipping
• Handling
• Poor water quality
• Aggressive interactions
• Sudden environmental changes

---

✨ Settled Fish Can Become Much Brighter

Once comfortable, the same fish may develop:

• Stronger orange coloration
• Darker body bands
• Better fin contrast
• Richer yellow tones

Therefore:

DO NOT JUDGE FINAL ADULT COLOR IMMEDIATELY AFTER SHIPPING

---

⚠️ Color & Pattern Disclaimer

Exact coloration cannot be guaranteed.

Wild L377 may naturally differ in:

• Orange intensity
• Yellow coloration
• Band width
• Number of bands
• Fin pattern
• Body darkness

Appearance can also change with:

• Age
• Stress
• Lighting
• Aquarium background
• Diet
• Water quality
• Acclimation

---

🌎 Native Distribution

L377 is native to:

BRAZIL

in the state of:

PARÁ

and is specifically associated with:

RIO CAETÉ

---

🌊 Rio Caeté Endemic

Recent scientific work describes L377 as:

ENDEMIC TO THE RIO CAETÉ

This means its natural distribution is much more restricted than simply:

South America

or:

Amazon Basin

For this product, the preferred origin wording is:

RIO CAETÉ – PARÁ, BRAZIL

---

⚠️ Locality Is Important

Because L377 remains scientifically undescribed:

LOCALITY INFORMATION IS ESPECIALLY VALUABLE

Preserve:

• L-number
• Rio Caeté locality
• Supplier records
• Parentage of captive-bred fish

---

📏 Adult Size – Important Correction

The older listing states:

UP TO 4 INCHES

That is too small.

Recent scientific work reports adults reaching approximately:

13 CM

or:

5.1 INCHES

Specialist L-number references commonly place maximum size around:

15 CM / APPROXIMATELY 5.9 INCHES

Therefore, for responsible customer planning:

EXPECT APPROXIMATELY 5–6 INCHES

---

🏠 Aquarium Size

For one adult:

30–40 GALLONS OR LARGER

is appropriate when the aquarium has:

• Good filtration
• Adequate floor space
• Multiple shelters
• Stable water conditions

For groups or breeding colonies:

40–55+ GALLONS

is preferable.

---

📐 Bottom Area Matters

L377 spends most of its time around:

• Substrate
• Caves
• Rocks
• Driftwood

so:

LENGTH + WIDTH

are more useful than excessive aquarium height.

---

🪨 Aquarium Setup

A good Prince Tiger Pleco aquarium should contain:

• Ceramic pleco caves
• Driftwood
• Smooth rocks
• Slate
• Rock crevices
• Sand or smooth gravel
• Shaded areas
• Open feeding areas
• Good filtration
• Good oxygenation

---

🏠 Provide Multiple Caves

For several L377:

PROVIDE MORE CAVES THAN PLECOS

Suitable shelters include:

• Ceramic pleco tubes
• Slate caves
• Rock crevices
• Driftwood cavities
• One-ended breeding tubes

This reduces competition for preferred territories.

---

🪵 Driftwood

Driftwood is recommended because it provides:

• Shelter
• Shade
• Biofilm
• Grazing surfaces
• Territory boundaries

However:

L377 IS NOT A SPECIALIZED WOOD-EATING PLECO

Do not claim that wood is required specifically for digestion.

---

💧 Water Parameters

A practical long-term range is:

• 🌡️ Temperature: Approximately 77–84°F
• 💧 pH: Approximately 6.0–7.5
• 💦 Hardness: Soft to moderately mineralized
• 💨 Oxygenation: Good to High
• 🌊 Water Movement: Moderate
• ☠️ Ammonia: 0 ppm
• ☠️ Nitrite: 0 ppm
• 🔄 Nitrate: Keep reasonably low

Stable conditions are particularly important for newly imported wild fish.

---

🌡️ Temperature

Specialist L377 care information generally supports approximately:

77–84°F / 25–29°C

This is a better long-term range than maintaining the fish continually at the cooler end of the older recommendation.

---

💨 Oxygenation

Provide:

GOOD TO HIGH DISSOLVED OXYGEN

through:

• Surface agitation
• Air stones
• Sponge filters
• Canister-filter returns
• Sump returns
• Appropriate circulation pumps

---

🌊 Water Movement

Moderate circulation works well.

The aquarium should include:

🌊 Moving Areas

for:

• Oxygenation
• Waste transport
• Water turnover

and:

🪨 Sheltered Areas

for:

• Resting
• Hiding
• Cave occupation

Extreme current throughout the entire aquarium is unnecessary.

---

💩 Filtration

Use reliable:

• Mechanical filtration
• Biological filtration

Suitable systems may include:

• Canister filters
• Hang-on-back filters
• Sponge filters
• Sump filtration

Maintain:

AMMONIA = 0

and:

NITRITE = 0

---

🍽️ Diet – True Omnivore

The L377 is best described as:

AN OMNIVORE

Its diet should contain both:

PLANT / BIOFILM FOODS

and:

ANIMAL / INSECT PROTEIN

---

🌿 Plant-Based Foods

Suitable foods include:

• Quality algae wafers
• Spirulina wafers
• Vegetable-containing pleco foods
• Zucchini
• Squash
• Green beans
• Quality gel foods

---

🦐 Protein Foods

Suitable animal and insect foods include:

• Mysis shrimp
• Brine shrimp
• Bloodworms
• Mosquito larvae
• Insect-based pellets
• Shrimp-containing sinking foods
• Quality omnivore tablets

---

⚖️ Balanced Diet

The best approach is:

PLANT FOODS + BIOFILM + ANIMAL / INSECT PROTEIN

rather than feeding only one category.

Do not maintain L377 exclusively on:

• Algae wafers

or exclusively on:

• High-protein carnivore foods

---

🚫 Not Just an Algae Cleaner

The older page describes L377 as an:

Effective Algae Eater

I would remove that wording.

L377 may graze:

• Soft algae
• Biofilm
• Organic coatings

but:

DO NOT PURCHASE L377 SOLELY FOR ALGAE CONTROL

It requires intentional feeding.

---

🧹 Algae Eating Does Not Equal Tank Cleaning

Any algae consumed is eventually converted into:

• Feces
• Organic waste
• Nitrate-producing material

A pleco should never be used as a substitute for:

• Proper filtration
• Water changes
• Aquarium maintenance

---

🌙 Activity

L377 is primarily:

CREPUSCULAR / NOCTURNAL

It commonly hides during bright daylight and becomes more active:

• At dusk
• During feeding
• After lights dim
• At night

---

☀️ Established Fish May Become More Visible

Once acclimated, some Prince Tigers become comfortable enough to:

• Rest on wood during daylight
• Leave caves during feeding
• Explore the aquarium before lights out

A well-structured aquarium generally makes shy plecos more confident.

---

🧪 Wild-Caught Acclimation

This listing is for:

WILD-CAUGHT L377 PRINCE TIGER PLECOS

Wild specimens deserve careful acclimation.

After arrival:

• Provide immediate caves
• Keep lighting subdued
• Maintain good oxygenation
• Avoid sudden temperature changes
• Avoid sudden pH changes
• Maintain excellent water quality
• Confirm feeding

---

🍽️ Confirm Feeding

A newly imported L377 may remain hidden while faster fish consume the food.

Offer food:

• Near caves
• Near driftwood
• At dusk
• After lights out
• In several locations

---

⚠️ Monitor Body Condition

Watch for:

• Sunken abdomen
• Weight loss
• Hollow body profile
• Persistent refusal to eat

A hiding fish is not necessarily a feeding fish.

---

😌 Temperament

L377 is generally:

PEACEFUL

toward most compatible aquarium fish.

Suitable tankmates may include appropriately selected:

• Tetras
• Rasboras
• Corydoras
• Peaceful cichlids
• Other calm tropical community fish

---

⚠️ Territorial Around Caves

Like most cave-dwelling plecos, mature L377 may defend:

• Preferred caves
• Feeding areas
• Resting locations

against other bottom dwellers.

---

👥 Group Housing

Groups can work well when adequate space is available.

Provide:

• Multiple caves
• Visual barriers
• Multiple feeding locations
• Enough bottom territory

Minor territorial disputes are normal.

---

♂️ Male vs. Female

Recent scientific work has specifically examined sexual dimorphism in L377.

Sex differences become clearer in:

MATURE FISH

---

♂️ Mature Males

Mature males develop extensive:

ODONTODES

along portions of the:

• Head
• Body
• Pectoral fins
• Caudal peduncle

The rear of the body can develop a distinctly:

HAIRY / BRISTLED APPEARANCE

---

♀️ Mature Females

Mature females generally:

• Remain smoother
• Show less extensive body odontodes
• Develop a fuller abdominal profile when carrying eggs

---

👀 View From Above

From above, a female carrying eggs may look:

ROUND AND FULL THROUGH THE ABDOMEN

while a mature male often has his widest point closer to:

THE SHOULDERS / HEAD

---

⚠️ Juveniles Are Difficult to Sex

Young L377 should normally be:

SOLD AS UNSEXED

unless there is strong evidence of sex.

---

🥚 Captive Breeding – Confirmed

L377 has been:

SUCCESSFULLY BRED IN CAPTIVITY

It is a:

CAVE-SPAWNING PLECO

Recent specialist breeding reports confirm reproduction in home aquariums.

---

🏠 Breeding Caves

Provide several caves of slightly different:

• Width
• Length
• Shape

The preferred cave is usually:

• Closed at one end
• Slightly wider than the male
• Long enough for the breeding pair
• Positioned where clean, oxygenated water reaches the entrance

---

💕 Spawning Behavior

Typical Peckoltia-type reproduction includes:

1. A mature male selects a cave.
2. A receptive female enters.
3. Spawning occurs inside the cave.
4. Eggs are fertilized.
5. The female leaves.
6. The male remains with the clutch.

---

👨‍👧 Male Parental Care

After spawning:

THE MALE GUARDS THE EGGS

He:

• Fans the clutch
• Protects the eggs
• Maintains water movement
• Guards the developing fry

---

🌧️ Breeding Triggers

Successful L377 breeders have used environmental changes such as:

• Larger water changes
• Cooler replacement water
• Strong feeding
• Stable warm maintenance temperatures

to help stimulate spawning.

However:

NO SINGLE BREEDING TRIGGER IS GUARANTEED

---

👶 L377 Fry

Young L377 can be especially attractive.

Specialist breeders report fry displaying:

STRONG BLACK-AND-WHITE BANDING

before the warmer orange/yellow coloration becomes more obvious with growth.

---

🍽️ Fry Foods

Once their yolk sacs are absorbed, fry may receive:

• Fine sinking omnivore foods
• Crushed pleco pellets
• Spirulina-containing foods
• Baby brine shrimp
• Fine insect foods
• Natural biofilm

---

⚠️ Maintain Excellent Fry Water Quality

Frequent feeding can quickly increase:

• Organic waste
• Bacterial buildup

Feed small amounts regularly while maintaining:

CLEAN, HIGHLY OXYGENATED WATER

---

🧬 Keep L377 Pure

Because L377 remains scientifically undescribed:

BREEDING RECORDS MATTER

Preserve:

• L377 identification
• Rio Caeté locality
• Parentage
• Supplier records

---

⚠️ Avoid Mixing Similar Peckoltia

Do not intentionally breed L377 with:

• L076
• L134
• L135
• L288
• Other unidentified Peckoltia

and later market the offspring as:

PURE L377

---

🌎 Conservation Status

Because L377 remains:

SCIENTIFICALLY UNDESCRIBED

it does not currently have its own formal species-level IUCN Red List assessment.

Therefore:

IUCN STATUS: NOT EVALUATED

is the most accurate wording.

---

⚠️ Restricted Natural Range

The absence of an IUCN assessment does not mean the fish has no conservation concerns.

Recent scientific research identifies L377 as:

ENDEMIC TO THE RIO CAETÉ

which makes preserving natural locality information especially valuable.

---

🌱 Captive Breeding Is Valuable

Responsible captive breeding can:

• Reduce reliance on wild collection
• Preserve L377 aquarium lines
• Improve knowledge of the species
• Increase future captive availability

---

⭐ Why Keep an L377 Prince Tiger Pleco?

The L377 combines:

• 🐯 Bold tiger-like markings
• 🟠 Attractive orange and yellow coloration
• ⚫ Strong dark body bands
• 🇧🇷 Rio Caeté origin
• 📏 Manageable approximately 5–6 inch adult size
• 🍽️ Flexible omnivorous diet
• 😌 Generally peaceful temperament
• 🌙 Interesting nocturnal behavior
• ♂️ Dramatic male odontode development
• 🥚 Confirmed captive breeding
• 👨‍👧 Male parental care
• 🧬 Scientifically undescribed L-number identity

into an excellent medium-sized pleco for aquarists prepared to provide caves, clean water, and proper feeding.

---

⚠️ Important Considerations

Before purchasing an L377 Prince Tiger Pleco:

• Keep the scientific identification as Peckoltia sp. L377.
• L377 remains scientifically undescribed.
• Do not invent a species name.
• L377 is also historically associated with LDA18.
• The fish is native to Pará, Brazil.
• Its natural range is the Rio Caeté.
• Recent scientific research identifies L377 as endemic to the Rio Caeté.
• Preserve locality information whenever possible.
• This listing is for wild-caught fish.
• Current specimens are approximately 3–4 inches.
• Do not use 4 inches as the adult maximum.
• Recent scientific work records adults around 13 cm.
• Specialist references place the fish up to approximately 15 cm.
• Plan for approximately 5–6 inches.
• Provide approximately 30–40 gallons or larger.
• Use 40–55+ gallons for groups.
• Provide more caves than plecos.
• Maintain approximately 77–84°F.
• Maintain good to high dissolved oxygen.
• Provide moderate water movement.
• Maintain ammonia and nitrite at zero.
• Feed a varied omnivorous diet.
• Provide both plant/biofilm foods and animal/insect protein.
• Do not purchase L377 simply as an algae cleaner.
• Driftwood is useful but L377 is not a specialized wood eater.
• Expect some cave territoriality.
• Mature males develop extensive odontodes.
• Captive cave spawning is confirmed.
• Males guard the eggs and developing fry.
• Keep breeding lines separate from other Peckoltia.
• L377 does not currently have a species-level IUCN assessment.
• Never release aquarium fish into natural waterways.

---

🧬 Taxonomy

The safest current identification is:

Peckoltia sp. L377

Classification:

• Order: Siluriformes
• Family: Loricariidae
• Subfamily: Hypostominae
• Genus: Peckoltia
• Species: Scientifically Undescribed
• L-Number: L377
• Older Aquarium Designation: LDA18

Native locality:

RIO CAETÉ – PARÁ, BRAZIL

For this product, use:

L377 Prince Tiger Pleco – (Peckoltia sp. L377)

---

🔢 L-Number & Locality Disclaimer

Because L377 has not yet received a formal scientific species name:

THE L-NUMBER AND LOCALITY ARE ESPECIALLY IMPORTANT

Preserve:

• L377 designation
• Rio Caeté locality
• Supplier records
• Breeding records
• Parentage

Do not identify unrelated tiger-patterned Peckoltia as L377 solely because they look similar.

---

🚚 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

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

---

⚠️ Buyer Responsibility

Customers are responsible for confirming that Peckoltia sp. L377 may legally be purchased, possessed, transported, and received in their state or local jurisdiction before ordering.

Never release aquarium fish into natural waterways.