Common name: Blue Line Triggerfish

Scientific name: Xanthichthys lineopunctatus (Hollard, 1854)

General information

The Blue line triggerfish, also known as the Lined triggerfish, is a vibrant and active species that adds both color and personality to a marine aquarium. Xanthichthys lineopunctatus is known for its striking blue lines and spots that adorn its body, making it a visually appealing addition to any tank.

This species is relatively hardy and can be a good choice for intermediate to advanced aquarists due to its potential size and assertive nature. It's important to note that while they are generally peaceful towards other large fish, they can be aggressive towards smaller tank mates and invertebrates, particularly crustaceans.

Details

Recommended minimum tank volume
300 liter (79 gallons)
Salinity
S.G. 1.020 to 1.025
Temperature
24 to 27 °C (75 to 81 °F)
Acidity
pH 8.1 to 8.4
Average size
25 cm (10″)
Care level
Moderate to easy May jump out of open tanks
Diet
Omnivore Varied diet incl. mysis, pellets
Social
Pair Pairs or small groups
Reefsafe
Yes
Aggression
Peaceful Generally peaceful
Captive bred
No
Conservation statusSource: IUCN Red List
ExtinctThreatenedLeastConcern

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Pufferfish
    Tetraodontiformes
  5. Family
    Triggerfish
    Balistidae
  6. Genus
    Triggerfish
    Xanthichthys
  7. Species
    Blue Line Triggerfish
    Xanthichthys lineopunctatus (Hollard, 1854)
  8. Synonyms
    Balistes lineopunctatus Hollard, 1854

Care

Blue line triggerfish require a spacious tank to accommodate their size and swimming habits. They are known to be escape artists, so a tightly fitting lid is essential to prevent them from jumping out. These fish are omnivores and thrive on a varied diet that includes meaty foods as well as some vegetable matter.

Providing plenty of rockwork and hiding places is beneficial for their well-being. They are also known to rearrange the substrate and rocks, so a stable aquascape is necessary to ensure their safety and the integrity of the tank setup.

Reproduction

In the wild, Blue line triggerfish form monogamous pairs during the breeding season. They are demersal spawners, meaning they lay their eggs on the substrate. Breeding them in captivity is challenging and not commonly achieved by hobbyists.

Habitat

Xanthichthys lineopunctatus is found in the Indo-Pacific region, from East Africa to the central Pacific. They inhabit clear lagoon and seaward reefs, often seen at depths where they can find ample space to swim and forage. Their natural environment should be considered when setting up a home aquarium, replicating the open swimming areas and reef structures they are accustomed to.