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Pangio cuneovirgata is a small, eel-like freshwater fish belonging to the family Cobitidae. It is characterized by its slender, elongated body and distinctive color pattern of dark bands on a lighter background. These fish are benthic, spending most of their time foraging in the substrate. They are known for their shy and reclusive nature, often hiding among plants, roots, or buried in the sand during the day and becoming more active at night.
Physical Characteristics
- Body shape
- eel-like
- Coloration
- The body is typically yellowish to reddish-brown, adorned with 10-15 dark, wedge-shaped or irregular vertical bands that extend from the dorsal surface to the ventral side, but often do not meet completely. The spaces between the bands are usually lighter. The head is often darker, and the fins are generally translucent.
- Scale type
- none
- Mouth position
- inferior
- Distinctive features
- Slender, elongated, eel-like body, Small, inferior mouth with three pairs of barbels, Small, almost invisible scales embedded in the skin, Distinctive dark, wedge-shaped vertical bands on a lighter body
- Dorsal fin
- Small, located far back on the body, typically posterior to the midpoint.
- Tail fin
- Small, rounded or slightly truncated, often with a dark spot at the base.
- Pectoral fin
- Small and paddle-like, positioned low on the body.
- Distinctive fins
- All fins are relatively small and often translucent, blending with the body.
Identification Tips
Body Shape
Look for the characteristic slender, worm-like body, typical of Pangio species.
Coloration and Pattern
Observe the distinct dark, wedge-shaped vertical bands on a lighter, yellowish to reddish-brown background. The number and shape of these bands are key.
Barbels
Note the three pairs of small barbels around the mouth, used for foraging in the substrate.
Fin Placement
The small dorsal fin is located far back on the body, distinguishing it from some other loach species.
Habitat
- Water type
- freshwater
- Depth
- Benthic, typically found in shallow areas of streams and rivers.
- Environment
- Slow-moving to moderately flowing clear water streams, rivers, and sometimes flooded forests. They prefer areas with soft substrates (sand, fine gravel, leaf litter) and abundant submerged vegetation, roots, or driftwood for shelter.
- Geographic range
- Native to Southeast Asia, specifically known from the Malay Peninsula (Malaysia, Singapore) and parts of Indonesia (Sumatra, Borneo).
Aquarium Information
- Care level: beginner
- Temperament: peaceful
- Diet: omnivore
- Minimum tank size: 10 gallons (38 liters)
- Temperature: 24-28 °C (75-82 °F)
- pH level: 6.0-7.5
- Hardness: 2-10 dGH
- Compatibility: Excellent with other peaceful, small to medium-sized community fish. Avoid housing with aggressive or very large fish that might prey on them. Good tankmates include small tetras, rasboras, dwarf cichlids, and other peaceful bottom dwellers.
- Special requirements: Requires a soft, sandy substrate for burrowing, plenty of hiding places (driftwood, rocks, dense planting), and subdued lighting. They are social fish and should be kept in groups of at least 6-10 individuals to encourage natural behavior and reduce shyness. Good water quality is essential.
Wild Information
- Conservation status: least concern
- Seasonality: No specific seasonal behavior patterns are widely documented for this species in the wild, as they are active year-round.
- Market price: Low to moderate (aquarium trade)
- Commercial importance: low
- Taste: Not typically consumed due to small size and bony nature.
- Texture: Not typically consumed.
- Nutritional value: Not typically consumed.
Key Facts
Burrowing Behaviorbehavior
Pangio cuneovirgata is an expert burrower, often disappearing into soft substrates for extended periods, especially during the day.
Social Naturebehavior
These loaches are highly social and thrive in groups, exhibiting more natural behaviors and reduced stress when kept with their own kind.
Nocturnal Foragersbehavior
While sometimes seen during the day, they are primarily nocturnal or crepuscular, becoming most active at dusk and dawn to forage for food.
Air Breathingamazing
Like many loaches, Pangio cuneovirgata can gulp atmospheric air and absorb oxygen through its specialized intestinal lining, especially in low-oxygen conditions.
Safety Information
Safe- Safety level: safe
- Venomous: No
- Edibility: not recommended
- Handling notes: These fish are harmless. When handling for transfer or examination, use a fine-mesh net to avoid injury to their delicate bodies. They are prone to jumping, so keep them covered.
Similar Species
Kuhli Loach
Pangio kuhlii
Pangio kuhlii typically has broader, more irregular, and often fewer dark bands that are more uniformly distributed along the body, sometimes forming a reticulated pattern. P. cuneovirgata's bands are generally more distinct, wedge-shaped, and numerous.
Black Kuhli Loach
Pangio oblonga
Pangio oblonga is uniformly dark brown to black, lacking the distinct banding pattern seen in P. cuneovirgata.
Half-banded Kuhli Loach
Pangio semicincta
Pangio semicincta has dark bands that typically do not extend completely around the body, often stopping mid-flank, and the bands are usually narrower and more numerous than in P. cuneovirgata.
Scientific Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Cobitidae
- Genus
- Pangio
- Species
- Pangio cuneovirgata
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