Farlowella Catfish Care – The Ultimate Beginner Guide For This Rare and Intriguing Fish

Care  /  Feeding

Tankmates

Water Care Through Filtration

Breeding

Key takeaways from this article:

*  Farlowella Catfish grow to about 5–7 inches in length and can live 10–12 years.

*  They are considered challenging to care for.

*  Feeding requirements are covered in detail.

*  They do best with gentle tankmates.

*  Breeding is possible but best left to experienced aquarists.

*  I also address the most frequently asked questions about Farlowella Catfish.

Farlowella Catfish Species Overview

Peaceful Farlowella catfish are masters of disguise. With their long, twig-like bodies and earthy colors, they blend effortlessly into driftwood and branches — making them one of the best-camouflaged fish in the hobby.

Their most striking feature is their elongated shape, which includes a pointed snout and slender tail that contribute significantly to their overall length.

They would be considered a “sucker mouth” catfish. They are intermediate to difficult to care for.

Size

In home aquariums, most Farlowella species grow to about 5–7 inches (13–18 cm), though some individuals can reach up to 8 inches (20 cm) in ideal conditions. This measurement includes their extended snout and tail filaments, which make them appear even longer than they actually are.

Farlowella Catfish can live 10 to 12 years in a home aquarium, if well cared for. 

Color

Farlowella catfish are typically brown or dark gray, often with subtle patterns that enhance their natural camouflage.

Eyes

Another fascinating feature is their eyes. Positioned high on their head, they are capable of moving independently, they give the fish a wide field of vision — perfect for staying alert while resting against surfaces like glass, wood, or plants.

“The name of the fish, Farlowella comes from:”Farlowella: Because W. G. Farlow, discovered this species.

Dr. Farlow was from Harvard University (Ref. 45335). Dr William Gilson Farlow (1844–1919) was an American physician and botanist who specialised in algae.” From: FishBase.org

A portion of the transcript of the video above:

“Honestly the Twig catfish or Farlowella Catfish is exceptionally interesting at least in my mind.

(They are a) species of catfish that comes from Swift flowing streams of the Amazon most specifically the Oronoco Basin.

They hang out in the shallows where there’s lots of marginal vegetation that provide cover and a high oxygen content.

Now they tend to orient vertically or on any piece of decor in the aquarium as you can see they pretty much look like a stick. They are relatively sedentary, meaning they don’t move a whole lot. This is basically what they do.

That being said they are really, really good algae eaters especially for those softer flatter algae that we find in the aquarium.”

Image above was provided courtesy of FishBase.Org

Farlowella Catfish Care

Farlowella catfish fall into the intermediate care level. They’re not overly difficult once you understand their needs, but they do require more attention than beginner-friendly species. If you’re new to fishkeeping, they might not be the best first choice — but for aquarists ready to commit, they’re incredibly rewarding.

Water Quality Matters

Farlowella come from clean, oxygen-rich rivers in South America — and they expect similar conditions in your tank. They’re sensitive to poor water quality, so regular water changes and stable parameters are essential. High oxygen levels and good filtration are key to keeping them healthy.

Temperature & Tank Stability

These fish don’t handle sudden temperature changes well.

You’ll need:

⇒  A reliable heater to maintain consistent warmth

⇒  A tank location away from drafts or direct sunlight

⇒  Gentle water movement to mimic their natural environment and prevent stagnation

Commitment Pays Off

Once their basic needs are met, Farlowella catfish are surprisingly hardy and can live for many years. Their unique behavior and appearance become more fascinating over time, especially as they grow comfortable in their surroundings.

Social Behavior

While they’re not schooling fish, Farlowella do better in pairs or small groups. Keeping more than one helps reduce stress and encourages natural behaviors — something solo specimens may lack.

Consistency Is Key To Raising Farlowellas

The biggest challenge with Farlowella isn’t any one care requirement — it’s staying consistent. They don’t respond well to skipped water changes or fluctuating conditions. If you can commit to a regular maintenance routine, they’ll thrive. But if you’re looking for a low-effort fish, this species might not be the right fit.

What and How to Feed Farlowella Catfish

Farlowella catfish are often sold as algae eaters — and they do a great job at it — but algae alone isn’t enough to keep them healthy long-term. To grow properly and stay in top condition, they need a varied, nutrient-rich diet that goes beyond what naturally grows in the tank.

Dietary Needs & Challenges

These fish thrive on high-quality vegetable matter, such as blanched zucchini, spinach, and algae wafers. Farowella appear to be mostly herbivores. 

This said, some Farlowella can be picky eaters, especially when first introduced to a new aquarium. Getting them to accept prepared foods may take time and patience — don’t be discouraged if they ignore offerings at first.

Feeding Routine

Consistency is key. A good schedule is:

*  Morning and evening feedings

*  Remove any uneaten food after about 30 minutes to prevent water quality issues

*  This routine helps keep the tank clean and ensures your Farlowella gets the nutrition it needs without fouling the water.

Unique Feeding Behavior

Watching Farlowella eat is fascinating. They use their specialized mouths to gently scrape surfaces, leaving behind visible cleaning trails. They tend to favor certain types of algae and will methodically graze across driftwood, glass, or plant leaves — almost like underwater lawnmowers.

Suggested Tankmates

Farlowella catfish are gentle, peaceful fish that do well in community aquariums — as long as their tank mates are chosen carefully. They rarely show aggression and mostly keep to themselves, but their shy nature means they can become stressed or hide more often if housed with aggressive species.

To help your Farlowella thrive, it’s important to pair them with fish that:

*  Share similar water requirements

*  Occupy different levels of the tank

*  Don’t compete for the same food

Here’s a breakdown of ideal companions based on years of successful setups:

Peaceful Dwarf South American Cichlids

South American species like Apistogramma (Wikipedia link) are a great match. They’re generally calm and feed differently, so there’s no competition. There is a large selection of Apistogramma fishes to choose from.

Small Peaceful Tetras

* Neon Tetras
* Cardinal Tetras
* Ember Tetras
* Rummy Nose Tetras

Other Peaceful Catfish

Bottom-dwellers that share space without conflict:

*  Corydoras (any variety)
*  Otocinclus
*  Clown Plecos (size to 3.5 inches / 8.9 centimeters.)

These species are small, non-aggressive, and compatible with Farlowella’s water needs.

Rasboras

These mid-level swimmers are peaceful and visually appealing:

*  Harlequin Rasboras (Trigonostigma heteromorpha)

*  Chili Rasboras (Boraras brigittae)

*  Lambchop Rasboras (Trigonostigma espei)

Small Gouramis

Gouramis can add color and personality without disturbing your Farlowella:

*  Honey Gouramis

*  Sparkling Gouramis

*  Pearl Gouramis (best in larger tanks)

Livebearers

*  Endler’s fish

*  Guppies

*  Mollies (Poecilia sphenops)

By choosing calm, non-competitive tank mates, you’ll help your Farlowella feel secure and behave naturally.

⇒  Tap here for a printable Farlowella water parameter quick guide table (pdf).

Filtration: The Heart of Farlowella Care

Proper filtration is non-negotiable. These fish rely on clean, well-oxygenated water with gentle flow. Let’s break down what works best:

Filter Types

*  Canister Filters: Ideal for most setups. They offer customizable media options and adjustable flow — perfect for Farlowella’s needs.

*  Hang-on-Back Filters: I consider these filters as backup filters.

Filter Maintenance Tips

*  Clean filters regularly, but don’t clean all media at once — stagger cleanings to protect beneficial bacteria.

*  Watch your flow rate: a drop in flow usually means it’s time for maintenance.

*  Don’t wait until flow is sluggish — proactive cleaning keeps your system stable.

Mechanical Filtration

This stage removes physical debris. For Farlowella tanks:

*  Use a multi-stage setup: start with coarse sponge, then finer media

*  Efficient mechanical filtration keeps water clear without disturbing your fish

Biological Filtration

Farlowella, like all aquarium fish, are highly sensitive to ammonia and nitrite, so a strong biological filter is essential:

*  Use media with high surface area like ceramic rings or bio-balls

*  Ensure good water flow through the bio section to support healthy bacteria colonies

A well-established biological filter helps maintain stable water chemistry.

Breeding Farlowella Catfish: A Practical Guide

Breeding Farlowella catfish can be a rewarding experience, especially if you’re prepared to recreate the subtle environmental changes that trigger spawning in the wild. Here’s how to guide them through the process step by step.

⇒  Simulating Natural Breeding Conditions

In the wild, Farlowella breed during the rainy season, when water conditions shift slightly. You can mimic this in your aquarium by gradually adjusting the environment over 3–4 weeks:

*  Lower the temperature by 2–3°F slowly over two weeks

*  Increase water changes to 20% every 3–4 days using slightly cooler water

*  Soften the water by mixing in reverse osmosis (R.O.) or distilled water during changes

*  Boost oxygen levels with an air stone or by increasing surface agitation

*  Extend daylight by adding 30–60 minutes to your lighting schedule and slightly increasing brightness

*  Add natural leaf litter like Indian almond leaves or oak leaves — the tannins they release can help trigger spawning

⇒  Telling Males from Females

Farlowella reach breeding age around 12–18 months. Here’s how to tell them apart:

*  Males: Slimmer bodies, territorial behavior, and bristles on the snout and head during breeding season.

*  Females: Plumper bodies (especially when carrying eggs), no bristles, and slightly larger overall.

⇒  Setting Up a Breeding Tank

A separate breeding tank improves your chances of success. Aim for at least 30 gallons, and include:

*  Angled driftwood (30–45°) for spawning sites — males will guard eggs there.

*  Dense plants around the edges for cover, leaving open space near driftwood. Plants also help with water quality and provide micro-life for fry.

⇒  Conditioning the Pair

Feed your breeding pair a varied, high-quality diet for several weeks before spawning:

*  Algae wafers

*  Blanched veggies (zucchini, spinach, cucumber)

*  Live or frozen foods (Black Mosquito Larvae, brine shrimp)

*  Specialized bottom feeder pellets

⇒  The Spawning Process

When conditions are right, the male will clean a spot on driftwood and the female will lay 15–30 large eggs in a tight cluster. The male fertilizes them and then takes over.

He guards and fans the eggs constantly.

Eggs hatch in 5–7 days, depending on temperature.

⇒  Caring for Fry

Farlowella fry are fairly large at birth and begin grazing immediately — but they’re still delicate.

To support them:

Encourage biofilm growth by adding driftwood or almond leaves weeks in advance

Supplement with powdered fry food and finely crushed algae wafers

As they grow, gradually introduce larger food particles

Should you keep Farlowella Catfish?

Farlowella catfish aren’t your typical beginner fish. They demand consistency, careful attention to water quality, and a thoughtful approach to feeding and tank setup. But for aquarists willing to put in the effort, they offer a truly rewarding experience.

Their unique appearance, peaceful nature, and fascinating behaviors make them a desired addition to a well-maintained aquarium. With the right preparation and a steady hand, most intermediate to expert hobbyists can succeed in keeping these remarkable fish.

Try your hand at Farlowella catfish using this eBay link:

2 Royal Farlowella | Whiptail Catfish |Sturisoma panamens | RARE

FAQ’s on Farlowella Catfish

⇒  How large of a tank do I need for my F. Catfish? 

These fish get quite long. I personally wouldn’t use a tank that is less than 55 gallons. I’ve seen smaller tanks suggested but I think that would be unkind to this amazing fish.

⇒  Are Farlowella Catfish easy to care for? 

To save the life of many F.C.’s I am going to say no. They are not a beginner fish. You will need quite a bit of fish care knowledge before taking on keeping these fish.

⇒  How big do Stick (F.) Catfish get?

In home aquariums, most Farlowella species grow to about 5–7 inches (13–18 cm), although some individuals can reach up to 8 inches (20 cm).

⇒  What should I feed my Farlowella Catfish? 

This topic is discussed in this article, here.

⇒  Where can I buy Farlowella Twig Fish? 

In looking on eBay I saw 4 sellers selling this fish. It is unlikely that you will find them in a local fish store.

⇒  Can I Breed Farlowella Catfish in My Aquarium?

Yes—and no. Breeding Farlowella catfish is possible, but it requires more than just keeping them alive. You’ll need to understand their care deeply and prepare for the challenges of raising fry. Here’s what to consider:

Know your fish, not just how to keep them:

• • • Breeding success depends on excellent husbandry. Stable water parameters, stress-free conditions, and proper nutrition are essential.

Prepare for fry care:

• • • Raising Farlowella fry can be delicate work when they first hatch. You’ll need to understand their dietary needs and how to maintain pristine water quality.

Tank size matters:

• • • A spacious tank is necessary to house a small group comfortably. This helps reduce stress and encourages natural behavior.

Start with a group:

• • • To increase your chances of having a breeding pair, begin with at least four individuals.
    • This improves the odds of having both sexes.
    • Unpaired fish can be rehomed through your local fish store.

Feed with purpose:

• • • • Conditioning your fish with a varied, nutrient-rich diet is key to triggering breeding behavior.