Blue Tang (Paracanthurus hepatus) in aquarium
๐ŸŒฟ Saltwater ยท Tropical

Blue Tang

Paracanthurus hepatus โ€” Acanthuridae
๐Ÿ“ Size:ย 15-20
โณ Lifespan:ย 10
โญ Care level:ย Beginner

Overview

The Blue Tang is a popular saltwater fish known for its vibrant blue color and yellow stripes. These fish are generally peaceful and can be kept in a community tank with other non-aggressive species. They require a well-maintained, spacious tank with plenty of swimming space and hiding spots. Regular water changes and proper nutrition are essential for their health.

Quick fact: Paracanthurus hepatus belongs to the family Acanthuridae. Care level: beginner.

Scientific Classification

RankClassification
FamilyAcanthuridae
GenusParacanthurus
SpeciesParacanthurus hepatus
Water typesaltwater

Natural Habitat

Native to the Indo-Pacific region, Blue Tangs are found in coral reefs and lagoons.

Appearance

Blue Tangs have a distinct blue coloration with yellow and black stripes, and a laterally compressed body shape.

Coloration: bright blue with yellow and black stripes

Behavior

They are generally peaceful and can be kept in a community tank. However, they may be nippy towards tankmates, especially during feeding times.

TraitValue
Temperamentpeaceful community fish
SchoolingNo
Activity levelmoderate
Important: can be nippy towards tankmates

Water Requirements

ParameterIdeal RangeNotes
Temperature24โ€“27ยฐC (75โ€“81ยฐF)Use a reliable adjustable heater
pH8.1โ€“8.4Avoid sudden swings
Hardness (GH)8-12 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. tank150L (40 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

  • Blue Tangs are often featured in the animated movie 'Finding Nemo'
  • They are herbivores and primarily feed on algae
  • They are known to change color as they mature

๐Ÿ“‹ Full Care Guide

Ready to set up a tank for your Blue Tang? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Blue Tang Care Guide โ†’

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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.