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Do named fish comparisons measure both adult Neocaridina retention and juvenile recruitment?
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
- 2
- Governed gaps
- 1
Search scope
Taxon names: Neocaridina davidi, Neocaridina heteropoda, Neocaridina denticulata sinensis.
Concepts: fish tankmate, predation, adult survival, juvenile recruitment, shelter.
Search surfaces: publisher and DOI records, scholarly web indexes, behaviour journal indexes.
Exact queries
"Neocaridina davidi" fish tankmate survival recruitment experiment"Neocaridina heteropoda" predator fish juvenile survival aquariumNeocaridina named fish shrimp-only control recruitment
Candidate-source decisions
Quantitative genetics of shy-bold behaviour and plastic response to novel predator cues in the cherry shrimp Neocaridina davidi
Full methods confirm 80 shrimp in repeated five-minute assays and 1,111 in a single-assay pedigree dataset. It uses water from one novel fish species without a fish in the arena and measures short behaviour rather than capture, survival or recruitment.
Shelter preference and variation in the daily activity pattern of the ornamental shrimp Neocaridina davidi
Measures shelter choice without fish and cannot establish protection or colony recruitment with a tankmate.
Search outcome
No named-fish trial with a shrimp-only control and adult plus juvenile colony denominators was located. Coexistence claims remain unvalidated.
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.