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Do assigned light spectrum, intensity or photoperiod comparisons establish an aquarium lighting regime for Neocaridina?
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.
Concepts: photoperiod, light intensity, light spectrum, phototaxis, photosensitivity, molting.
Search surfaces: publisher and DOI records, PubMed, scholarly web indexes, full-text repositories.
Exact queries
"Neocaridina davidi" photoperiod experiment"Neocaridina heteropoda" light photoperiod growth reproduction"Neocaridina denticulata sinensis" light color behaviorNeocaridina light intensity phototaxis experiment"NdGATA123c" full text"Soluble trehalase affects the light sensitivity" full text
Candidate-source decisions
An eyestalk-enriched GATA factor (NdGATA123c) modulates photosensitivity and molting in Neocaridina denticulata sinensis
The publisher and PubMed abstracts report eyestalk RNA interference, red- and green-light responses, ommatidial pigment change and a longer molt cycle, but the full article is paywalled and treatment allocation, controls, spectral exposure, molt denominators and analysis units could not be verified.
Soluble trehalase affects the light sensitivity of Neocaridina denticulata sinensis by regulating eyestalk chitin synthesis
The publisher and PubMed abstracts report gene knockdown, eyestalk cuticle damage and short blue- and green-light behaviour assays, but the full methods, independent units, irradiance, spectral protocol and analysis were not publicly verifiable.
All Shades of Shrimp: Preferences of Colour Morphs of a Freshwater Shrimp Neocaridina davidi for Substrata of Different Colouration
The full article supports short background-shade and pattern choices under one lighting context, not a photoperiod, spectrum or intensity effect on welfare or colony outcomes.
Estudos do comportamento do camarão Neocaridina davidi var red quando exposto a diferentes espetros de luz
The open thesis supports a colour-associated lit-dish occupancy signal in its apparatus, but fixed-side illumination, unequalized irradiance, first-trial tank confounding, unresolved exposure timing and incompletely specified repeated-count analysis prevent an aquarium spectrum or welfare recommendation.
Search outcome
The open thesis adds direct intact-animal location counts and a rotating-lamp phase, but its apparatus and analysis cannot establish preference, welfare or a home lighting regime. Molecular studies show that eyestalk pathways participate in short light responses and may connect with molt physiology. No reviewed source establishes an aquarium spectrum, intensity or photoperiod, so the gap remains open.
Knowledge gaps governed by this search
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