bicolor damselfish

Scientific name Stegastes partitus
Descriptor Poey
Year of description 1868
IUCN category LC
Family Pomacentridae
Genus Stegastes
Stegastes partitus Stegastes partitus

Introduction

Stegastes partitus, commonly known as bicolor damselfish, is a salt water fish.

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Who is it?

Morphology

  • Average size
    8 cm
  • Maximum size
    10 cm
  • Longevity
    4 year
  • Shape
    Circular
  • Average size
    8 cm
  • Maximum size
    10 cm
  • Longevity
    4 year
  • Shape
    Circular

How to recognize the bicolor damselfish ?

The bicolor damselfish measures around 8 cm. The dominant males can however reach 10 cm. This fish is tricolore with a predominantly jaune, noir and blanc body.

Sexual dimorphism

The adult male is bigger than the female.

Behaviour & Life cycle

  • diet
    omnivorous
  • Sociability
    living as a couple or in a group
  • territorial
    Yes
  • Way of living
    diurnal

The bicolor damselfish is a fish living as a couple or in a group naturally found near the bottom. This species is omnivorous .

The bicolor damselfish is a territorial animal that does not tolerate any incursions into its living area. It is particularly virulent against other territorial species and it can provoke heated fights. In a constant quest for dominance, the dominant males of this species cannot stand each other. The battle between two individuals can be intense and violent. It will result in the submission and sometimes even death of one of the protagonists.

Reproduction

  • Reproduction
    ovipare qui pond sur substrat découvert
  • Hermaphrodite
    protandric

The bicolor damselfish is a fish ovipare qui pond sur substrat découvert. This fish always born male. Growing up, individuals will change sex to become female, this is called successive hermaphroditism of the protandrous type.

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
    22 - 28 °C
  • Depth
    0 - 15 m
  • Flow
    Medium

Biotope presentation

The bicolor damselfish is most often found at a depth between 0m and 15m. However, it is not impossible to find this species at other depths.

Species of the same biotope

Fishkeeping

Not recommended

We do not recommend keeping this species in an aquarium. It has unpredictable needs which, if not met, generate significant stress, potentially leading to a shorter life expectancy, an interruption of its growth or the development of pathogens.

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.

Benoit Chartrer

Benoit Chartrer

Translation

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 Whitetail Damselfish (Family Pomacentridae), Stegastes leucorus (Gilbert, 1892), New to California Marine Waters with a Key to the California Species of Pomacentridae - Milton S. Love - William Power - Southern California Academy of Sciences - 2016.

THE LIVING MARINE RESOURCES OF THE EASTERN CENTRAL ATLANTIC - Milton S. Love - William Power - FAO Fisheries Synopsis - 0.

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Species of the same family

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Species of the same biotope

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