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Which direct Neocaridina microplastic studies measure individual growth, reproduction or survival under home-like histories?
This record shows how a current Neocaridina evidence gap was searched. It supports a dated statement about this search, not proof that no unlocated study exists.
- Reviewed
- August 12, 2026
- Next review
- February 12, 2027
- Candidate decisions
- 4
- Governed gaps
- 1
Search scope
Taxon names: Neocaridina davidi, Neocaridina heteropoda, Neocaridina denticulata sinensis, Neocaridina palmata.
Concepts: microplastics, polystyrene, growth, reproduction, survival, behaviour, metabolism.
Search surfaces: publisher and DOI records, PubMed, scholarly web indexes, full-text repositories.
Exact queries
"Neocaridina davidi" microplastic exposure reproduction growth 2025 2026"Neocaridina denticulata sinensis" microplastics experiment"Neocaridina" polystyrene microplastics cadmium survival growth histopathologysite:pubmed.ncbi.nlm.nih.gov Neocaridina microplastic
Candidate-source decisions
Microplastics Affecting Population Growth, Mortality and Life Stages of Cherry Shrimp, Neocaridina davidi
Direct five-month aquarium exposure with mortality and size-class counts, but no repeated individual growth or fecundity endpoints.
Polystyrene Microparticles and the Functional Traits of Invertebrates: A Case Study on Freshwater Shrimp Neocardina heteropoda
Direct 7-day and 14-day activity and metabolism comparison, with an aquarium-level assignment caveat in the published analysis.
Particle shape does not affect ingestion and egestion of microplastics by the freshwater shrimp Neocaridina palmata
Direct 24-hour particle-recovery and four-hour egestion observations in N. palmata, but no chronic health outcome and no isolated shape effect.
Impacts of cadmium and microplastics on Neocaridina denticulata sinensis: Survival, growth, biochemistry, histopathology and gut microbiome
Publisher text confirms a 14-day nominal 1 microgram/L cadmium comparison with 20000 or 20000000 polystyrene particles/L followed by 7 days in clean water, but aquarium replication, animal denominators, assignment, measured exposure and endpoint analysis units remain unavailable without the full methods.
Search outcome
A third fully reviewed direct study adds particle-ingestion and short egestion observations in N. palmata without measuring chronic harm. The 2025 combined cadmium study remains a candidate until its methods can be verified, and the home-like growth and fecundity gap remains open.
Knowledge gaps governed by this search
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Submit a stable source, missed search surface or correction. A candidate is not added to biological evidence until its methods and claim boundary pass review.