Plectroglyphidodon johnstonianus

Scientific name Plectroglyphidodon johnstonianus
Descriptor Fowler & Ball
Year of description 1924
IUCN category (World) LC
Family Pomacentridae
Genus Plectroglyphidodon
Plectroglyphidodon johnstonianus Plectroglyphidodon johnstonianus


Plectroglyphidodon johnstonianus is a salt water fish.

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Who is it?


  • Average size
    10 cm
  • Maximum size
    14 cm
  • Average size
    10 cm
  • Maximum size
    14 cm

How to recognize Plectroglyphidodon johnstonianus ?

Plectroglyphidodon johnstonianus measures between 10 and 14 cm. This fish is bicolore with a predominantly noir and blanc body.

Behaviour & Life cycle

  • diet
  • Sociability
    living in small groups
  • territorial
  • Way of living

Plectroglyphidodon johnstonianus is a fish living in small groups naturally found near the bottom. This species is corallivore .

Although Plectroglyphidodon johnstonianus is non-territorial, it is sometimes aggressive towards other species.


  • Reproduction
    ovipare qui pond sur substrat découvert

Plectroglyphidodon johnstonianus is a fish ovipare qui pond sur substrat découvert. This fish protects its eggs from nearby predators.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

What is its habitat?

Natural environment characteristics

  • Temperature
    25 - 29 °C
  • Depth
    0 - 30 m

Biotope presentation

Plectroglyphidodon johnstonianus is most often found at a depth between 0m and 30m. However, it is not impossible to find this species at other depths.

Species of the same biotope

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Species of the same family

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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.

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.

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Scientific partners

Species of the same family

Same genus

Species of the same biotope

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