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Geographical and temporal origins of Neocaridina species in Taiwan
Han et al., 2019. BMC Genetics 20: 86.
This record is a claim boundary, not a quality badge. Evidence class and species relationship describe what was studied. They do not make the result universal, complete or automatically applicable to a home aquarium.
- Source taxon as published
- Four Neocaridina species or provisional lineages from Taiwan
- Environment
- Four hundred seventy-nine specimens from thirty-five Taiwanese localities
- Life stages
- field-collected specimens
- Reviewed
- 2026-08-12
What was studied
Study shape: COI sequences, phylogeographic structure and demographic models were used to infer species boundaries and colonization histories.
Experimental unit: Collected specimen, haplotype and sampled locality depending on analysis
Endpoints: COI lineage, haplotype structure, species delimitation, colonization-time inference.
Claim boundary
What it can support: The sampled Taiwanese Neocaridina contained multiple geographically structured lineages with different inferred histories.
What it cannot support: Phylogeographic inference does not establish the ancestry, relatedness, purity or species of a commercial colour morph.
Publication status audit
Matched in dated Crossref query
The canonical DOI appeared in the dated broad query and carried no registered update in that response. This is a metadata observation, not proof that the work has never changed.
Registered version relationships: 10.21203/rs.2.12048/v1, 10.21203/rs.2.12048/v2, 10.21203/rs.2.12048/v3. A preprint relationship is publication lineage, not independent replication.
Metadata snapshot reviewed 2026-08-12. Inspect the method, unmatched queue and limitations.
Correction impact
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Editorial review required (6)
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The typography-only visual and exact accessibility description derive from the curated decision-card registry and must preserve every card section. - Geographical and temporal origins of Neocaridina species in Taiwan Canonical evidence page
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How this record is classified
Morphology or taxonomy: Anatomy, specimen identification or taxonomic relationships were studied with stated methods. A trade name or photograph cannot replace those methods.
Neocaridina identity evidence: The source addresses identity, relationships or genetics within the Neocaridina complex.
Topics: Species and taxonomy, Wild populations, Genetics
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- Identity and provenance: How were the organism, population, stock and life stage identified and sourced? A published name or seller label can hide a taxonomic, population or life-stage transfer.
- Independent unit: What unit was independently assigned or sampled, and how many units support each comparison? Animal counts do not create independent replication when animals share a vessel, site, family or treatment history.
- Comparison and context: What was the actual comparator, allocation process, environment, duration and material condition? A result has meaning only against the comparison and conditions that produced it.
- Endpoint and measurement: Which endpoint was measured, with what method, unit, timing, resolution and decision rule? One endpoint cannot silently become survival, welfare, diagnosis, reproduction or long-term population performance.
- Denominators and missingness: Are starting counts, exclusions, losses, missing observations and analysis denominators reconciled? Unreported or changing denominators can alter the apparent direction, precision and applicability of a result.
- Transfer boundary: What is the nearest tempting aquarium claim that this source design cannot establish? Direct evidence can still be narrow, and adjacent evidence can be useful only while the inference remains visible.
- Examined material: Which specimens, localities, sexes, stages, types or sequence accessions were actually examined? A diagnosis applies to examined material and methods, not automatically to a trade-line photograph.
- Diagnostic characters: Which characters or loci distinguish the taxon, and were alternatives explicitly compared? Color alone may be variable, convergent or unrelated to the diagnostic character.
- Name history: Were synonyms, historical combinations, type material and later revisions checked? An older title can describe a population that later work placed in another taxon.
- Consumer identification limit: Can the required character or method be observed reliably in an ordinary live-animal image? A valid taxonomic method may still be unavailable to a keeper examining one photograph.
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