A striking, small loricariid known for its vibrant yellow/white stripes on a dark body. Note: The scientific name 'P. albomaculatus' correctly refers to the Mustard Spot Pleco (LDA31), while the true Flash Pleco is 'P. albivermis'. Both share identical husbandry. As xylophagous (wood-eating) catfish, they absolutely require real driftwood in the aquarium to digest properly and will produce copious amounts of sawdust-like waste.
Flash Pleco (L204) At a Glance
Flash Pleco (L204) Tank Requirements
Will Flash Pleco (L204) fit in your tank?
Care guides tell you what Flash Pleco (L204) needs, the next question is whether your tank can safely provide it. Test Flash Pleco (L204) against your tank size, maintenance needs, and the fish you already keep before you buy.
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Flash Pleco (L204) Water Parameters
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Flash Pleco (L204) Temperament & Compatibility
Flash Pleco (L204) Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard
Standard adult form. They are mostly peaceful toward mid-water fish but can be highly territorial towards other bottom-dwellers and plecos when defending their chosen caves or driftwood pieces. Because they graze on wood, they are notorious for chewing holes in broad-leaf plants (like Amazon Swords).
Same care requirements as the base species
Also known as: Striped Pleco, L204, LDA31
Flash Pleco (L204) Care Guide Summary
The Flash Pleco (L204), scientifically known as Panaqolus albomaculatus, belongs to the Catfish family group. Adults reach a maximum size of approximately 13 cm and have a depressed body shape with a slow growth rate. Classified as mostly peaceful, this species primarily occupies the bottom zone of the aquarium and produces a extreme level of biological waste.
To thrive, the Flash Pleco (L204) requires a freshwater only aquarium with a minimum volume of 110 litres and a tank length of at least 80 cm. Water temperature should be maintained between 24°C and 30°C, with a pH range of 6–7.5 and a general hardness of 2–15 dGH. A moderate water flow is preferred.
The Flash Pleco (L204) is a rewarding species to keep, provided its core environmental needs are met. The Flash Pleco (L204) is typically available in one standard form.
Flash Pleco (L204) Habitat Setup
When setting up an aquarium for the Flash Pleco (L204), a moderate water flow best suits their natural preferences. Because this species occupies the bottom zone, the aquarium layout should prioritise sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include smooth gravel or rounded substrate to protect their sensitive barbels and driftwood, which can serve as both a hiding place and a dietary supplement. Keepers should note that live planted layouts may be difficult to maintain, as this species tends to uproot or consume vegetation.
Flash Pleco (L204) Compatibility Notes
Classified as mostly peaceful, the Flash Pleco (L204) is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, territorial behaviour may cause issues if hiding spots or floor space are limited and boisterous or fast-moving tankmates may cause this species undue stress. Selecting tankmates that favour different water layers from the bottom zone can help reduce competition and territorial overlap.
Flash Pleco (L204) Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Flash Pleco (L204).
30 Gallon Breeder
40 Gallon Breeder
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
Show 12 more tank sizes
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Frequently Asked Questions About Flash Pleco (L204)
How big does Flash Pleco (L204) get?
Flash Pleco (L204) (Panaqolus albomaculatus) typically reaches a maximum adult size of approximately 13 cm. They have a depressed body shape and a slow growth rate.
What tank size does Flash Pleco (L204) need?
A minimum aquarium volume of 110 litres and a tank length of at least 80 cm are recommended for Flash Pleco (L204). This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Flash Pleco (L204) need?
Flash Pleco (L204) thrives in freshwater only conditions with a temperature range of 24–30°C, a pH between 6 and 7.5, and a general hardness of 2–15 dGH. A moderate water flow is preferred.
Is Flash Pleco (L204) peaceful or aggressive?
Flash Pleco (L204) is classified as mostly peaceful with an aggression score of 4 out of 10. They are generally well-suited to peaceful community tanks.
Can Flash Pleco (L204) live alone?
Yes, Flash Pleco (L204) can be kept singly or in a group. They are flexible and adapt well to both setups.
Does Flash Pleco (L204) have any special tank requirements?
Yes. Flash Pleco (L204) benefits from driftwood (digestion/hiding) and smooth gravel (sensitive barbels) in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Top Tank Mates for Flash Pleco (L204)
These fish are strong compatibility matches for Flash Pleco (L204) based on water preferences, temperament, adult size, and tank behavior.
Freshwater Sole
Brachirus selheimi
Ideal Tank MatesJurupari Eartheater
Satanoperca jurupari
Ideal Tank MatesLoricaria lentiginosa
Loricaria lentiginosa
Ideal Tank MatesLoricaria lata (L010)
Loricaria lata
Ideal Tank MatesLima Shovelnose Catfish
Sorubim lima
Ideal Tank MatesContradens Pleco (Snowball Variant)
Hypancistrus contradens
Ideal Tank MatesPlants That Suit Flash Pleco (L204)
These plants pair well with Flash Pleco (L204) based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
African Onion Plant
Crinum calamistratum
Afzel's Anubias
Anubias afzelii
Anubias Barteri
Anubias barteri
Balansae
Cryptocoryne crispatula
Belinda's Buce
Bucephalandra belindae
Bonsai Rotala
Rotala indica
Fish Similar to Flash Pleco (L204)
Gold Nugget Pleco (L018)
Baryancistrus xanthellus
A stunning, highly sought-after Loricariid native to the fast-flowing, highly oxygenated waters of the Rio Xingu in Brazil. They feature a dark body covered in bright yellow spots with thick yellow seams on their dorsal and caudal fins. They require high temperatures, high water flow, and a diet rich in biofilm, aufwuchs, and fresh vegetables. They are notoriously territorial towards other bottom-dwellers.
Green Phantom Pleco (L200)
Hemiancistrus subviridis
A stunning, vibrant green Loricariid native to the fast-moving rapids of the Orinoco River. Known for its yellowish-green body dotted with light spots. It requires highly oxygenated, warm water with strong flow. While peaceful to mid- and top-dwelling fish, they are heavily armored and fiercely territorial toward other bottom dwellers, especially other plecos. They are also known to chew on broad-leaved plants like Amazon Swords.
Royal Pleco (L190)
Panaque nigrolineatus
A stunning, large-growing pleco famous for its red eyes, grey/green coloration, and dark horizontal stripes. Belonging to the genus Panaque, they are xylophagous (obligate wood-eaters); real driftwood in the aquarium is absolutely essential for their digestion and survival. They produce extreme amounts of sawdust-like waste and require heavy, high-flow filtration.
Peppermint Pleco
Parancistrus nudiventris
An attractive, medium-sized pleco endemic to the warm, fast-moving waters of Brazil's Rio Xingu. Popular for its dark body covered in striking white spots, reminiscent of peppermint candy. Like many Loricariids from this region, they need highly oxygenated water, a varied diet containing both vegetable matter and protein, and plenty of hiding spaces.
Adonis Pleco
Acanthicus adonis
The Adonis Pleco is one of the largest and most formidable loricariids (plecos) in the world. While juveniles display stunning white polka dots on a pitch-black body, these spots fade into a solid dark grey/black as they mature into massive, heavily armored adults with long lyretails. Due to their enormous adult size (up to 1 meter/39 inches) and intense territorial aggression toward other bottom dwellers, they require giant, specialized aquariums or heated indoor ponds.
Clown Pleco (L104)
Panaqolus maccus
A popular, distinctly striped dwarf pleco native to Venezuela. It is a strictly wood-eating species (xylivore); real driftwood is mandatory for its survival and digestion. Because of this diet, it produces massive amounts of sawdust-like waste, requiring excellent mechanical filtration despite its small size. They are shy and predominantly nocturnal.









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