No photo yet
Sign in to submit the first photo
Whiptail Catfish
Rineloricaria lanceolata
Animalia›Chordata›Actinopterygii›Loricariidae
📍 Amazon Basin, South America
A long, slender catfish with a whip-like tail extension and intricate patterning. An excellent sand-sifter that keeps substrate clean. Peaceful and unobtrusive, often resting camouflaged on driftwood or sandy bottoms.
Care Guide
Diet
Whiptail catfish are primarily algae and biofilm grazers that spend most of their time consuming algae from wood, rocks, and glass surfaces. Supplement their natural grazing with sinking algae wafers, blanched vegetables (zucchini, spinach), and occasional frozen foods like bloodworms 2-3 times weekly. Feed small amounts in the evening when they are most active.
Behavior
These nocturnal bottom-dwellers are peaceful and relatively inactive during the day, preferring to hide among driftwood and plants. They are solitary or found in loose groups in the wild, and males are territorial during breeding season but otherwise non-aggressive. They use their whip-like tail for balance and communication, and are excellent for controlling algae in established tanks.
Breeding
Breeding in captivity is moderately difficult and requires specific conditions including driftwood for egg-laying sites, stable water parameters, and temperatures around 24-26°C. Males guard eggs aggressively and will chase females after spawning. Fry are difficult to raise due to their small size and specific dietary needs, making successful breeding relatively uncommon in home aquaria.
Tank Mates
Similar algae-grazing habits and peaceful temperament; compatible water parameters
Small, peaceful mid-water swimmers that don't compete for bottom space or food
Peaceful schooling fish with identical water requirements and non-aggressive behavior
Peaceful dwarf cichlid that occupies similar habitat but less likely to compete for algae
Peaceful invertebrates that share biofilm grazing; ensure adequate hiding spots for both
Excellent algae control partner with no aggression toward catfish; complementary feeding habits
Common Diseases
Ich (White Spot Disease)
White spots on body and fins, rapid breathing, rubbing against surfaces
Raise temperature to 28-29°C gradually, perform 25% water changes daily, use aquarium salt (1 teaspoon per 5 gallons) or ich-specific medication for 7-10 days
Fin Rot
Frayed or deteriorating fins, discoloration at fin edges, lethargy
Improve water quality with frequent partial water changes, remove sharp decorations, treat with antibacterial medication if severe; ensure adequate hiding spots to reduce stress
Bacterial Infection
Open sores, cloudy eyes, loss of appetite, torn fins
Perform 50% water change immediately, maintain pristine water conditions, treat with broad-spectrum antibiotic medication; isolate if possible to prevent spread
Parasitic Infection
Excessive scratching, weight loss, visible parasites on body, clamped fins
Quarantine affected fish, treat with anti-parasitic medication, maintain water temperature at 26°C, perform daily 25% water changes during treatment
Community Photos
0 photosPhotos are added when members log a tank with this species and upload a photo in their tank journal. Add your own tank to contribute.
No photos yet — add a tank with Whiptail Catfish to be the first!
Sign in to vote.
Tips from the community 💡
0 tipsReal experiences, care advice, and keeper notes. Finn learns from these too.
Sign in to share your experience.
No community tips yet — be the first to share your knowledge!
Quick Facts
- diet
- Omnivore – sinking pellets, algae wafers, frozen bloodworms
- lifespan
- 5–10 years
- max size
- 12 cm (5 in)
- tank size
- 20 gallons minimum
- temperament
- Peaceful
Water it likes
- ph
- 6.0–7.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 2–15 dGH
- temperature
- 72–79°F (22–26°C)