Blue Phantom Pleco

Common Name
Blue Phantom Pleco L128
Scientific Name
Hemiancistrus
Family Name
Loricariidae
Livestock Details Image
Quick Care Details (Table)
Display quick species details.
Livestock Characteristics Value
Care Level Easy
Temperament Peaceful
Diet Omnivore
Maximum Size 6 Inches
Minimum Tank Size 30 Gallons
Plant Safe Yes
Temperature Range 75-82°F
PH Range 6.5 -7.5 pH
KH Range 2-15 dKH
GH Range 5-15 dGH
Species Specific Categories
This section contains categories of characteristics and attributes attached to the livestock.
Helpful Video
This tab will contain a helpful youtube video
Livestock Helpful Youtube
Care Details, Temperament, Diet, and Aquarium Requirements
Expands on short livestock details table.

Aquascape

  • Provide a well-decorated aquarium with plenty of hiding spots like caves, driftwood, and rocks.
  • Use live plants and low-light tolerant species to create a natural-looking setup.
  • Avoid sharp or rough decorations to prevent injury to the pleco's sensitive skin.

Substrate

  • Use fine to medium-sized sand or gravel substrate to mimic their natural riverbed environment.
  • A soft substrate is preferable as Blue Phantom Plecos may spend time digging and foraging.

Disease Prevention

  • Quarantine new fish before adding them to the main tank to prevent introducing diseases.
  • Maintain excellent water quality through regular water changes and filtration.
  • Avoid overfeeding and remove any uneaten food promptly to prevent water contamination.

Filtration

  • Provide efficient and robust filtration as Blue Phantom Plecos are large waste producers.
  • A canister filter or a powerful HOB (hang-on-back) filter is recommended.
  • Ensure proper mechanical, biological, and chemical filtration for optimal water conditions.

Lighting

  • Blue Phantom Plecos are nocturnal and prefer subdued lighting.
  • Use low to moderate lighting levels to create a dimly lit environment.
  • Include hiding spots and shadows to make the pleco feel secure.

Water Flow

  • Moderate water flow is ideal as Blue Phantom Plecos come from rivers with gentle currents.
  • Provide areas with reduced flow using driftwood or decorations to create resting spots.

Hardiness

  • Blue Phantom Plecos are relatively hardy and can adapt to a range of water conditions.
  • They prefer water temperatures between 72°F to 79°F (22°C to 26°C).
  • Maintain stable water parameters, including pH around 6.5 to 7.5 and hardness between 2 to 15 dGH.

Behavior and Social Interaction

  • Blue Phantom Plecos are generally peaceful and solitary fish.
  • They are nocturnal and tend to be more active during the night.
  • During the day, they often hide in caves, crevices, or under driftwood.

Aggression

  • Blue Phantom Plecos are not aggressive towards other fish.
  • They are generally docile and unlikely to cause problems with tankmates.

Breeding

  • Breeding Blue Phantom Plecos in captivity is challenging and relatively uncommon.
  • They are egg-layers, and the males guard the eggs until they hatch.

Compatibility

  • Blue Phantom Plecos are compatible with other peaceful community fish.
  • They should not be kept with aggressive or territorial species that might outcompete or harass them.

Activity Level

  • Blue Phantom Plecos have a moderate activity level.
  • They spend much of their time foraging for food in the substrate or grazing on surfaces like driftwood.

Clean up Crew

  • Blue Phantom Plecos are not typical "clean up crew" fish like some other pleco species.
  • While they will graze on algae, they are not efficient algae eaters and may not keep the tank spotless.

Schooling or Shoaling Behavior

  • Blue Phantom Plecos are solitary fish and do not exhibit schooling or shoaling behavior.
  • They prefer to live alone or in small groups, especially in larger aquariums with adequate hiding spots.

Dry Foods

  • Blue Phantom Plecos can be fed sinking pellets or wafers specifically formulated for bottom-dwelling fish.
  • Look for high-quality pleco or herbivore pellets that provide the necessary nutrients.

Frozen Foods

  • Offer frozen foods like brine shrimp, bloodworms, daphnia, and cyclops as occasional treats.
  • Frozen foods are rich in proteins and other essential nutrients.

Live Foods

  • Blue Phantom Plecos may occasionally accept live foods such as live brine shrimp, blackworms, or daphnia.
  • Live foods can stimulate their natural foraging behavior.

Vegetables

  • Blue Phantom Plecos are omnivores and may nibble on blanched vegetables like zucchini, cucumber, or spinach.
  • Offer small pieces of vegetables as supplemental treats.

Algae

  • Blue Phantom Plecos will graze on algae that naturally grow in the aquarium.
  • While they are not strict algae eaters, having some algae growth can supplement their diet.

Feeding Schedule

  • Feed adult Blue Phantom Plecos once a day in the evening to accommodate their nocturnal feeding behavior.
  • Offer a small amount of food that they can consume within a few minutes.
  • Remove any uneaten food to maintain good water quality.

Supplemental Foods

  • Provide supplemental foods like freeze-dried or frozen bloodworms, tubifex worms, or krill.
  • Variety is essential, so offer different types of foods to ensure a balanced diet.

Tank Size

  • Blue Phantom Plecos require a spacious aquarium due to their potential size and need for hiding spots.
  • A tank size of at least 30 gallons (113 liters) is recommended for a single adult Blue Phantom Pleco.
  • Larger tanks, such as 55 gallons (208 liters) or more, are ideal for multiple specimens or community setups.

Tank Length and Measurements

  • The tank length should be a minimum of 36 inches (91 cm) or more to provide ample swimming space for the pleco.
  • A wider tank with dimensions like 36 inches (91 cm) in length, 18 inches (46 cm) in width, and 24 inches (61 cm) in height would be suitable for a single adult Blue Phantom Pleco.

The Species Maximum Size

  • Blue Phantom Plecos can reach a maximum size of around 5 to 6 inches (12 to 15 cm) in length.
  • Providing them with adequate space to grow is important for their well-being.

Water Temperature

  • Blue Phantom Plecos prefer a tropical water temperature range of 75°F to 82°F (24°C to 28°C).
  • Keeping the water within this range will support their overall health and activity.

pH (Acidity/Alkalinity)

  • Blue Phantom Plecos thrive in slightly acidic to neutral water conditions.
  • The recommended pH range is around 6.5 to 7.5.

KH (Carbonate Hardness)

  • The carbonate hardness (KH) level should be in the range of 2 to 15 dKH (35.7 to 267.9 ppm).
  • Carbonate hardness helps stabilize the pH and prevents rapid fluctuations.

GH (General Hardness)

  • The general hardness (GH) level should be between 5 to 15 dGH (89.5 to 267.9 ppm).
  • Providing suitable GH levels ensures proper mineral content in the water.

Nitrate (NO3) Levels

  • Blue Phantom Plecos are sensitive to high nitrate levels.
  • Keep nitrate levels below 20 ppm, and regular water changes can help achieve this.
History, Popularity, History and Species Variety Details
Display long form details.
Back to top

History

  • The Blue Phantom Pleco, also known as L128 or Blue Fin Cactus Pleco, is a member of the Loricariidae family.
  • The species was first discovered and collected in the wild in the Atabapo River in Venezuela.
  • It belongs to the genus Hemiancistrus, but the specific species within the genus has not been officially identified or classified yet.
  • Due to the lack of a scientifically assigned name, it is commonly referred to as Hemiancistrus sp. "L128" or L128 for short.
Back to top

Popularity

  • The Blue Phantom Pleco gained popularity among aquarium enthusiasts due to its striking appearance and attractive blue coloration.
  • Its unique pattern and color make it a sought-after addition to freshwater aquariums, especially those with a preference for catfish species.
  • Because of its appealing appearance, the Blue Phantom Pleco is often considered a centerpiece fish in well-designed aquarium setups.
Back to top

Habitat

  • In the wild, Blue Phantom Plecos are native to the Orinoco River basin, including the Atabapo River in Venezuela.
  • Their natural habitat consists of slow-moving or still waters with sandy or muddy substrates.
  • They are typically found in shaded areas with plenty of hiding spots, such as submerged roots, caves, and crevices created by rocks or driftwood.
  • Blue Phantom Plecos inhabit both brackish and freshwater environments, as they are euryhaline fish capable of tolerating a wide range of salinity levels.
Back to top

Variation of The Phantom Blue Pleco

  1. L128 (Hemiancistrus sp. "L128" or Blue Phantom Pleco):
  • Scientifically known as Hemiancistrus sp. "L128."
  • Originates from the Atabapo River in Venezuela.
  • Known for its striking blue coloration and attractive appearance.
  1. L282 (Hemiancistrus sp. "L282" or Gold Nugget Pleco):
  • Scientifically known as Hemiancistrus sp. "L282."
  • Native to the Rio Xingu in Brazil.
  • Features a beautiful gold coloration with black spots and patterns.
  1. L400 (Hemiancistrus sp. "L400" or Smallfin Snowball Pleco):
  • Scientifically known as Hemiancistrus sp. "L400."
  • Originates from the Rio Orinoco basin in Venezuela.
  • Notable for its snowball-like appearance and small fins.
  1. L401 (Hemiancistrus sp. "L401" or Bigfin Snowball Pleco):
  • Scientifically known as Hemiancistrus sp. "L401."
  • Also from the Rio Orinoco basin in Venezuela.
  • Similar to L400 but distinguished by its larger fins.
  1. L418 (Peckoltia sp. "L418" or Orange Seam Pleco):
  • Scientifically known as Peckoltia sp. "L418."
  • Found in the Rio Tocantins basin in Brazil.
  • Known for its orange seams and distinct markings.
  1. L450 (Peckoltia sp. "L450" or Gold Royal Pleco):
  • Scientifically known as Peckoltia sp. "L450."
  • Originates from the Rio Xingu in Brazil.
  • Noted for its gold coloration and royal-like appearance.
  1. LDA33 (Panaque sp. "LDA33" or Watermelon Pleco):
  • Scientifically known as Panaque sp. "LDA33."
  • Native to the Rio Orinoco basin in Venezuela.
  • Named after its greenish "watermelon-like" coloration.
Back to top

Male gender vs Female gender (Sexual Dimorphism)

  1. Size and Body Shape:
  • In general, adult male Blue Phantom Plecos are slightly larger and more robust than females.
  • Males may have a more muscular appearance, especially during the breeding season, when they may develop a more prominent and broader head.
  1. Bristles on the Face (Odontodes):
  • Male Blue Phantom Plecos often have more prominent and longer bristles (odontodes) on their cheeks and along the leading edges of their pectoral fins.
  • These bristles are more developed in mature males and may serve a role in territorial displays and courtship.
  1. Coloration:
  • There might be slight differences in coloration between males and females, but this can vary among individuals.
  • Some experienced hobbyists may notice subtle differences in color patterns, with males displaying slightly more intense colors, especially during the breeding season.
  1. Behavior:
  • Males are more territorial and may exhibit territorial displays during breeding.
  • Females may show more interest in nesting sites and appear more plump when carrying eggs.
  1. Breeding Tubes:
  • During the breeding season, females may develop a small, rounded, and pointed breeding tube near their vent.
  • This tube is used for depositing eggs during spawning and is more noticeable in mature females.
  1. Observing Breeding:
  • The most definitive way to identify the gender is to observe their behavior during breeding.
  • Males will build bubble nests and guard them, while females may lay eggs in these nests.
Back to top

Breeding Phantom Pleco

  1. Provide the Right Environment:
  • Set up a spacious tank with plenty of hiding spots, such as caves, crevices, and driftwood.
  • Use a soft sand or fine gravel substrate to mimic their natural riverbed environment.
  • Ensure the tank has stable water conditions with a temperature between 75°F to 82°F (24°C to 28°C) and a slightly acidic to neutral pH of around 6.5 to 7.5.
  • Keep the water clean with regular water changes to maintain optimal water quality.
  1. Pair Selection:
  • If you have multiple Blue Phantom Plecos, look for signs of potential pairs forming.
  • Males may become more territorial during the breeding season and develop larger bristles on their cheeks and pectoral fins.
  • Observe their behavior and interactions to identify compatible pairs.
  1. Trigger Breeding Conditions:
  • To induce breeding, simulate the onset of the rainy season by gradually raising the water level and temperature over a period of several weeks.
  • Provide frequent water changes to mimic natural rainfall and trigger breeding behavior.
  1. Create Breeding Sites:
  • Introduce suitable breeding caves or shelters in the tank, such as PVC pipes, ceramic tubes, or coconut shells.
  • Make sure the caves are large enough for the plecos to enter comfortably and lay eggs.
  1. Courtship and Spawning:
  • During the breeding season, males may construct bubble nests in the breeding caves.
  • Females may lay eggs inside the caves, and the males will fertilize them.
  • Males guard the eggs until they hatch, which usually takes around 7 to 10 days.
  1. Caring for Fry:
  • Once the eggs hatch, the fry will stay in the cave for several days until they are strong enough to venture out.
  • Provide suitable hiding spots and small live foods like baby brine shrimp or microworms for the fry.
  • Ensure water quality remains high to promote the health and growth of the fry.
  1. Separate the Fry:
  • Once the fry are large enough to be independent (several weeks old), consider moving them to a separate grow-out tank to avoid predation from adult plecos and other tankmates.
Back to top
Frequently Asked Questions
Livestock FAQ

Are Blue Phantom Plecos nocturnal?

Yes, Blue Phantom Plecos are nocturnal and tend to be more active during the night. They may hide during the day and become more active in dim lighting.

What water parameters do Blue Phantom Plecos prefer?

Blue Phantom Plecos prefer water temperature between 75°F to 82°F (24°C to 28°C), slightly acidic to neutral pH of around 6.5 to 7.5, and a general hardness (GH) level between 5 to 15 dGH.

Do Blue Phantom Plecos eat algae?

Yes, Blue Phantom Plecos will graze on algae that naturally grows in the tank, but they are not strict algae eaters and should not be solely relied upon for algae control.

Can Blue Phantom Plecos breed in captivity?

Yes, it is possible to breed Blue Phantom Plecos in captivity, but it can be challenging. Creating the right breeding conditions and providing suitable caves are crucial for success.

How can you tell the gender of a Blue Phantom Pleco?

Determining gender can be challenging, but mature males may have longer bristles on their cheeks and pectoral fins. Females may have a small, pointed breeding tube when ready to spawn.

What do Blue Phantom Plecos eat?

Blue Phantom Plecos are omnivores and will eat a variety of foods, including sinking pellets, algae, frozen foods, and occasional live foods. They may also nibble on blanched vegetables.

Are Blue Phantom Plecos peaceful fish?

Yes, Blue Phantom Plecos are generally peaceful and can be kept with other non-aggressive community fish.

What size tank is suitable for a Blue Phantom Pleco?

Blue Phantom Plecos require a spacious tank of at least 30 gallons (113 liters) for a single adult. Larger tanks are recommended for multiple specimens or community setups.

What is the scientific name of the Blue Phantom Pleco?

The Blue Phantom Pleco is scientifically known as Hemiancistrus sp. "L128."

Can I keep Blue Phantom Plecos with other pleco species?

It's generally not recommended to keep different pleco species together, as they may compete for territory and resources. Stick to keeping Blue Phantom Plecos with other peaceful community fish.

Are Blue Phantom Plecos prone to any specific diseases?

Blue Phantom Plecos are generally hardy fish. However, like all fish, they can be susceptible to common aquarium diseases if water quality and conditions are not well-maintained.

How long do Blue Phantom Plecos live?

With proper care, Blue Phantom Plecos can live for several years, up to 10 years or more in some cases.

Do Blue Phantom Plecos jump out of the tank?

Blue Phantom Plecos are not known for being jumpers. However, it's always a good idea to have a secure lid on the tank to prevent any accidental escapes.

Do Blue Phantom Plecos require driftwood in the tank?

Technically no but it is strongly advised to provide driftwood is beneficial for Blue Phantom Plecos as it mimics their natural habitat and provides hiding spots and surfaces for grazing on algae.

Author's Name: rtorres
Authored On:
Last Updated: