dusky gregory
| Scientific name | Stegastes nigricans |
|---|---|
| Descriptor | Lacepède |
| Year of description | 1802 |
| IUCN category (World) | LC |
| Family | Pomacentridae |
| Genus | Stegastes |
Introduction
Stegastes nigricans, commonly known as dusky gregory, is a salt water fish.
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Who is it?
Morphology
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Average size9 cm
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Maximum size14 cm
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Longevity4 year
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ShapeCircular
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Average size9 cm
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Maximum size14 cm
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Longevity4 year
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ShapeCircular
How to recognize the dusky gregory ?
The dusky gregory measures around 9 cm. The dominant males can however reach 14 cm. This fish is unicolore with a predominantly marron and beige body.
Sexual dimorphism
The adult male is bigger than the female.
Behaviour & Life cycle
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dietomnivorous
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Sociabilityliving as a couple or in a group
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territorialYes
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Way of livingdiurnal
The dusky gregory is a fish living as a couple or in a group naturally found near the bottom. This species is omnivorous .
The dusky gregory 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
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Reproductionovipare qui pond sur substrat découvert
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Hermaphroditeprotandric
The dusky gregory 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?
Conservation status of populations (IUCN)
What is its habitat?
Natural environment characteristics
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Temperature22 - 28 °C
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Depth1 - 30 m
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FlowMedium
Biotope presentation
The dusky gregory is most often found at a depth between 1m and 30m. However, it is not impossible to find this species at other depths.
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
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.
Scientific partners
Tags
Species of the same family
Same genus
