Twig Catfish (Farlowella acus) in aquarium
๐ŸŒฟ Freshwater ยท Tropical

Twig Catfish

Farlowella acus โ€” Loricariidae
๐Ÿ“ Size:ย 12-15
โณ Lifespan:ย 5-7
โญ Care level:ย Beginner

Twig Catfish Overview

The Farlowella acus, or Twig Catfish, is a popular freshwater species known for its peaceful nature and unique appearance. These fish thrive in a well-maintained aquarium with plenty of space and hiding spots. They are compatible with a variety of tankmates but may be sensitive to rapid changes in water parameters. Their long, cylindrical bodies and dark brown coloration with silver spots and stripes make them visually appealing additions to any tank.

Quick fact: Farlowella acus belongs to the family Loricariidae. Care level: beginner.

Twig Catfish Scientific Classification

RankClassification
FamilyLoricariidae
GenusFarlowella
SpeciesFarlowella acus
Water typefreshwater

Twig Catfish Natural Habitat

Native to the Orinoco River basin in South America, Farlowella acus are often found in slow-moving waters with dense vegetation.

Twig Catfish Appearance & Size

The Twig Catfish has a distinctive appearance with a long, cylindrical body and a mottled color pattern of dark brown, silver, and white.

Coloration: dark brown with silver spots and stripes

Twig Catfish Behavior & Temperament

These catfish are generally peaceful and do not exhibit high levels of aggression. They are best kept in groups to reduce stress and encourage natural behavior. Their moderate activity level and preference for quiet, undisturbed areas make them ideal for a community tank.

TraitValue
Temperamentpeaceful community fish
SchoolingNo
Activity levelmoderate
Important: prefers a spacious tank with plenty of hiding spots

Twig Catfish Water Requirements

ParameterIdeal RangeNotes
Temperature22โ€“28ยฐC (72โ€“82ยฐF)Use a reliable adjustable heater
pH6โ€“7.5Avoid sudden swings
Hardness (GH)3-15 dGH dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<20 ppmManage through regular partial water changes
Min. tank100L (26 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts About Twig Catfish

  • Can grow up to 15 cm in length
  • Feeds primarily on algae and detritus
  • Has a lifespan of 5-7 years

Related Species & Guides

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Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.