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Which direct leaf-litter studies separate preference, consumption, decomposition, water effects and long-term shrimp outcomes?
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, Neocaridina denticulata sinensis.
Concepts: leaf litter, botanicals, preference, consumption, decomposition, water quality, growth, reproduction.
Search surfaces: publisher and DOI records, Crossref, OpenAlex, Semantic Scholar, institutional repositories, author-upload indexes.
Exact queries
"Neocaridina davidi" leaf litter feeding decomposition experiment"Neocaridina denticulata" Typha leaf litter decomposition"Neocaridina davidi" alder catappa leaf preference consumptionNeocaridina botanical leaf water quality survival growth reproduction
Candidate-source decisions
Promotive performance of shrimp Neocaridina denticulata on Typha angustifolia leaf litter decomposition
The complete author-uploaded article supports a 140-day four-treatment microcosm comparison of litter-only, direct-contact, feces-contact and combined conditions. The review preserves destructive-harvest versus repeated-measures ambiguity, inconsistent cattail names, weekly river-water replacement, derived rather than measured grazing shares, and the absence of intake, growth, reproduction and health endpoints.
Leaf-litter preferences of the introduced freshwater shrimps Atyaephyra desmarestii and Neocaridina davidi
The article and dissertation abstracts report adult and juvenile preference and consumption findings, but the complete choice units, leaf conditioning, decomposition controls, intake calculation and analysis are not publicly reviewable.
Influence of the ornamental red cherry shrimp Neocaridina davidi on freshwater meiofaunal assemblages
The completed review confirms detritus and algae in stomach contents, but it does not identify a preferred leaf species, prove dietary adequacy or test a botanical treatment.
Breeding and life cycle of the ornamental freshwater shrimp Neocaridina davidi in a biofilm-based culture system
The completed review supports deliberately conditioned surface in one purpose-built culture system, but no leaf litter was assigned and unrelated aquarium biofilm or botanical products were not standardized.
Search outcome
One direct cattail-decomposition lead completed method review, while the direct leaf-choice study still needs complete methods. The microcosm supports faster litter breakdown with direct shrimp access under its tested conditions, but mass loss is not measured intake and zero reported mortality is not dietary adequacy. No replicated home-like leaf comparison links an identified treatment to water safety, complete nutrition, growth, reproduction or disease outcomes.
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.