Simocephalus serrulatus
(Koch, 1841)
Simocephalus serrulatus is a freshwater cladoceran crustacean in the Daphniidae. It is a zooplankton found across multiple continents including Australasian, Afrotropical, Nearctic, and Neotropical regions. The species has been used in ecotoxicological studies, particularly research on per- and polyfluoroalkyl substances (PFAS) and -level variation in traits.
Pronunciation
How to pronounce Simocephalus serrulatus: /ˌsɪmoʊˈsɛfələs sɛrˈrʌlətəs/
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Habitat
Freshwater aquatic
Distribution
: recorded from Australasian, Afrotropical, Nearctic, and Neotropical regions; specific locality records include Ciénaga San Silvestre
Human Relevance
Used as a model organism in ecotoxicological research, particularly for assessing PFAS and -level responses to environmental contaminants
More Details
Population-level variation
Research has documented baseline differences between in development, body size, and , with populations from sites with legacy PFAS exposure showing greater mortality under experimental conditions