What type of interspecies relationship between the wolf and the fox living in the same ecosystem?

Interspecific relations between a wolf and a fox living in the same ecosystem are competition.
Competition – the relationship between organisms of the same or different species, based on the struggle for livelihoods and conditions of reproduction – for food, space and other resources between organisms or species that need the same resources. The wolf and the fox are predators hunting in the same territory (one ecosystem), which means they compete for resources.

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