A highly cryptic, peaceful, and extremely slender catfish that mimics a twig or dead leaf. They are excellent scavengers and biofilm grazers that require smooth sand and driftwood to thrive. They are completely non-aggressive, lack the heavy armor of larger plecos, and do well in peaceful community setups.
Whiptail Catfish At a Glance
Whiptail Catfish Tank Requirements
Will Whiptail Catfish fit in your tank?
Care guides tell you what Whiptail Catfish needs, the next question is whether your tank can safely provide it. Test Whiptail Catfish against your tank size, maintenance needs, and the fish you already keep before you buy.
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Whiptail Catfish Water Parameters
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Whiptail Catfish Temperament & Compatibility
Whiptail Catfish Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard (Wild Type)
The standard mottled brown/grey whiptail catfish. Provides unbeatable camouflage against natural driftwood and leaf litter.
Same care requirements as the base species
Also known as: Brown Whiptail, Common Whiptail
Red Whiptail (L010A)
A striking brick-red variant highly sought after in the hobby. Believed to be a specific color morph or closely related hybrid. Behavior and care are identical to the standard whiptail, though they stand out vibrantly against green plants and light sand.
Same care requirements as the base species
Also known as: L010A, Red Lizard Catfish, Rineloricaria sp. Red
Whiptail Catfish Care Guide Summary
The Whiptail Catfish, scientifically known as Rineloricaria sp., belongs to the Catfish family group. Adults reach a maximum size of approximately 12 cm and have a depressed body shape with a slow growth rate. Classified as peaceful, this species primarily occupies the bottom zone of the aquarium and produces a medium level of biological waste.
To thrive, the Whiptail Catfish requires a freshwater only aquarium with a minimum volume of 60 litres and a tank length of at least 60 cm. Water temperature should be maintained between 22°C and 28°C, with a pH range of 6–7.5 and a general hardness of 2–15 dGH. A moderate water flow is preferred.
Due to its specialist needs, the Whiptail Catfish is best suited for fishkeepers who can provide a carefully planned setup. This species is available in 2 varieties: Standard (Wild Type) and Red Whiptail (L010A). Each may differ slightly in size, temperament, or care needs, so it is worth checking the specific requirements of the variety you plan to keep.
Whiptail Catfish Habitat Setup
When setting up an aquarium for the Whiptail Catfish, 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 a sand substrate to accommodate their sifting behaviour, smooth gravel or rounded substrate to protect their sensitive barbels, and driftwood, which can serve as both a hiding place and a dietary supplement.
Whiptail Catfish Compatibility Notes
Classified as peaceful, the Whiptail Catfish is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, 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.
Whiptail Catfish Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Whiptail Catfish.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 19 more tank sizes
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Frequently Asked Questions About Whiptail Catfish
How big does Whiptail Catfish get?
Whiptail Catfish (Rineloricaria sp.) typically reaches a maximum adult size of approximately 12 cm. They have a depressed body shape and a slow growth rate.
What tank size does Whiptail Catfish need?
A minimum aquarium volume of 60 litres and a tank length of at least 60 cm are recommended for Whiptail Catfish. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Whiptail Catfish need?
Whiptail Catfish thrives in freshwater only conditions with a temperature range of 22–28°C, a pH between 6 and 7.5, and a general hardness of 2–15 dGH. A moderate water flow is preferred.
Is Whiptail Catfish peaceful or aggressive?
Whiptail Catfish is classified as peaceful with an aggression score of 1 out of 10. They are generally well-suited to peaceful community tanks.
Can Whiptail Catfish live alone?
Yes, Whiptail Catfish can be kept singly or in a group. They are flexible and adapt well to both setups.
Does Whiptail Catfish have any special tank requirements?
Yes. Whiptail Catfish benefits from sand (sifters), 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 Whiptail Catfish
These fish are strong compatibility matches for Whiptail Catfish based on water preferences, temperament, adult size, and tank behavior.
Glowlight Tetra
Hemigrammus erythrozonus
Ideal Tank MatesMarbled Hatchetfish
Carnegiella strigata
Ideal Tank MatesGlass Catfish
Kryptopterus vitreolus
Ideal Tank MatesAmazon Leaf Fish
Monocirrhus polyacanthus
Ideal Tank MatesClown Killifish
Epiplatys annulatus
Ideal Tank MatesHoney Gourami
Trichogaster chuna
Ideal Tank MatesPlants That Suit Whiptail Catfish
These plants pair well with Whiptail Catfish 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
Amazon Sword
Echinodorus amazonicus
Anacharis
Egeria densa
Anubias Barteri
Anubias barteri
Ashy Pipewort
Eriocaulon cinereum
Fish Similar to Whiptail Catfish
Twig Catfish (Farlowella)
Farlowella acus
The Twig Catfish is an extremely elongated, master-of-camouflage suckermouth catfish from South America. True to its name, it mimics a dead twig perfectly, spending most of its time motionless on branches or plant leaves. It is a specialized aufwuchs and algae grazer that requires a mature tank, high oxygenation, and plenty of driftwood. They are completely peaceful but highly sensitive to fluctuating water parameters.
Banjo Catfish
Bunocephalus coracoideus
A bizarre, highly camouflaged bottom-dweller that perfectly mimics a dead leaf or piece of bark. Extremely docile and strictly nocturnal, the Banjo Catfish spends most of its daylight hours completely buried in the sand or hiding under debris. They are famous for 'playing dead' when netted or disturbed.
Striped Raphael Catfish
Platydoras armatulus
A highly robust, armored catfish native to the Amazon and Orinoco basins. Famous for their ability to produce audible squeaking or grunting sounds when distressed or defending territory. They are nocturnal scavengers that spend most of the day hiding in driftwood or caves. Note: Their rigid pectoral spines can easily become tangled in standard aquarium nets.
Otocinclus
Otocinclus vittatus
A small, peaceful, and highly popular algae-eating catfish native to South America. They are obligate shoaling fish that thrive in mature, heavily planted aquariums with steady water parameters and a constant supply of soft green algae and biofilm. They are extremely sensitive to uncycled or pristine/new tanks without natural food sources.
Glass Catfish
Kryptopterus vitreolus
A highly unique, completely transparent catfish from Thailand. Unlike most catfish, they are mid-water swimmers that require being kept in schools to feel secure. They are incredibly peaceful and easily outcompeted for food. They require stable water parameters and dim lighting or shaded areas provided by floating plants.
Bristlenose Pleco
Ancistrus cf. cirrhosus
A highly popular, hardy, and relatively small suckermouth catfish. Excellent algae eaters that stay much smaller than Common Plecos, making them suitable for standard aquariums. They require dietary wood (driftwood) to aid in digestion and plenty of hiding caves.