
die Nische
niche
A recess or small hollow space in a wall, often used to place a statue, a vase, or another object in it.
In einer Nische im Flur stand eine antike Vase.
There was an antique vase in a niche in the hallway.
niche
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niche
A recess or small hollow space in a wall, often used to place a statue, a vase, or another object in it.
In einer Nische im Flur stand eine antike Vase.
There was an antique vase in a niche in the hallway.

niche
A small, specialized part of a market in which a particular product or service is offered, with only a small but specific target audience.
Die Firma hat eine Nische für handgefertigte Lederschuhe gefunden.
The company has found a niche for handmade leather shoes.

niche
In biology, the specific habitat and function of a species within an ecosystem. This includes all environmental factors that are important for the survival of that species.
Jede Tierart besetzt in ihrem Lebensraum eine eigene ökologische Nische.
Every animal species occupies its own ecological niche in its habitat.
You can recognize the meaning of 'Nische' (niche) from the context. If it is about architecture, you will hear words like 'Wand' (wall) or 'Statue' (statue). In a business context, terms like 'Markt' (market) and 'Produkt' (product) appear. In biology, 'Ökosystem' (ecosystem) and 'Tierart' (animal species) are typical signal words.
In der alten Kirchenmauer war eine Nische für eine Heiligenfigur. (Architektur)
There was a niche for a saint's figure in the old church wall. (architecture)
The basic idea of 'Nische' (niche) is always a small, protected, and special space. This literal meaning from architecture is transferred to business ('a special market segment') and biology ('a special habitat').
Er fühlt sich in seiner kleinen, aber feinen Nische sehr wohl.
He feels very comfortable in his small but refined niche.
In a business context, there are fixed expressions. You can say 'eine Nische finden' (to find a niche), 'eine Nische entdecken' (to discover a niche), or 'eine Nische besetzen' (to occupy a niche). Products for such a market are called 'Nischenprodukte' (niche products).
Das Unternehmen war erfolgreich, weil es eine Nische für Luxus-Tierfutter gefunden hat.
The company was successful because it found a niche for luxury pet food.
The meaning of 'Nische' (niche) in the biological sense ('ökologische Nische', ecological niche) is technical language. It is used mainly in scientific or school texts about biology and ecology.
Im Biologieunterricht lernten wir, was eine ökologische Nische ist.
In biology class, we learned what an ecological niche is.
habitat / living space
Lebensraum refers to the natural area in which a species lives. Nische also includes its specific function and relationships within the ecosystem. If you are referring only to the area where it lives, Lebensraum is appropriate; for its ecological role, Nische is more precise.

Als Jäger von Insekten hat der Wasserfrosch im Teich eine bestimmte Nische.
As a hunter of insects, the water frog occupies a particular niche in the pond.
Der Teich ist der natürliche Lebensraum des Wasserfrosches.
The pond is the water frog’s natural habitat.