Dear Colleagues,

Crustaceans, either marine or freshwater, play a crucial role in aquatic ecosystems. Many species are threatened by invasive ones, novel pathogen introductions, habitat degradation and loss, pollution, overharvesting, and trade. Moreover, climate change supports the successful overwintering and survival of invasive species limited in the past by unsuitable environmental conditions, and thus the native biota is more at risk. Various species are important for human consumption, and an increasing number of species are also being exploited as ornamentals. Since our knowledge about many crustaceans is insufficient, the importance of its improvement is obvious. This Special Issue partly follows the previous one focused on the management and control of invasive crayfish, which was published in the journal Diversity in 2018. However, the current topic is more complex, providing a platform to gather information about the entire group of crustaceans in context of their biology, ethology, and ecological requirements and relationships, as well as the impact on the environment by non-indigenous species, taking into account taxonomic updates and descriptions of new species.

Dr. Jiří Patoka
Guest Editor

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• Population biology
• Population ecology
• Agonistic behaviour
• Sociality
• New species
• Invasive species
• Endangered species
• Freshwater
• Marine