pinktail triggerfish

Scientific name Melichthys vidua
Descriptor Richardson
Year of description 1845
IUCN category LC
Family Balistidae
Genus Melichthys
Melichthys vidua Melichthys vidua


Melichthys vidua, commonly known as pinktail triggerfish, is a salt water fish.

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Who is it?


  • Average size
    30 cm
  • Maximum size
    40 cm
  • Average size
    30 cm
  • Maximum size
    40 cm

How to recognize the pinktail triggerfish ?

The pinktail triggerfish measures between 30 and 40 cm. This fish is unicolore with a predominantly noir body.

Behaviour & Life cycle

  • diet
  • Sociability
    living in a group or alone
  • territorial
  • Way of living

The pinktail triggerfish is a fish living in a group or alone naturally found at mid-depth and near the bottom. This species is carnivorous .

This species is territorial and does not appreciate the presence of intruders nearby, especially animals with similar behavior. However, the pinktail triggerfish has little concern for non-territorial animals.


  • Reproduction
    ovipare qui pond sur substrat découvert

The pinktail triggerfish is a fish ovipare qui pond sur substrat découvert.

Risks for humans

  • Venomous
  • Bite

This species can attack if it feels threatened. It is important to be particularly vigilant especially during dives or fishing sessions.

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    25 - 29 °C
  • Depth
    60 - 0 m

Biotope presentation

Species of the same biotope

To go further

Species of the same family

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Silvia Gomez

Silvia Gomez

Benoit Chartrer

Benoit Chartrer

Adrien Falzon

Adrien Falzon


Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

Bibliographic references

The complete mitochondrial genome of the yellow-spotted triggerfish (Pseudobalistes fuscus) - Kai Zhang, Xinxin You, Junmin Xu & Qiong Shi - - 2016.

Taxonomic review of the genera Balistoides, Pseudobalistes and Parabalistes of the family Balistidae with redescription of species occurring in Indian Seas - SATISH SAHAYAK, K. K. JOSHI* AND V. SRIRAMACHANDRA MURTY* - J. Fish Biol. - 2014.

Hypocreadium toombo n. sp. (Digenea: Lepocreadiidae) in the yellow-spotted triggerfish Pseudobalistes fuscus - RODNEY A. BRAY & JEAN-LOU JUSTINE - ZOOTAXA - 2006.

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Template and content © Fishipedia - Unauthorized reproduction without prior request - ISSN 2270-7247 - Last modification 11/11/2023

Where to see this species?

Species of the same family

Species of the same biotope

Scientific partners

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