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Danionin: Taxonomy, Overview & Fossil record
The danionins are a group of small, slender "minnow-type" pelagic freshwater fish nestled in the family Danionidae of the suborder Cyprinoidei. Species of this group are in the genera clades Danio and Devario (which also includes Chela, Laubuka, Microdevario, and Microrasbora genera), based on the latest phylo-genetic research by Fang et al in 2009.
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Danionin topic overview
The analysis highlights Taxonomy, Overview and Fossil record as prominent areas in the source structure around Danionin.
Related topics
53
Source areas
3
Connected nodes
56
Extracted relationships
74
Concept neighborhoods
17
Bridge connections
56
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Overview · 26 topics
Taxonomy · 24 topics
Fossil record · 3 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How Danionin connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Danionin shows recurring relationship patterns in the source. For example, Danionin → Amblypharyngodon Bleeker, Annandale, Armbruster, Barilius Hamilton, Betadevario, Bleeker, Boraras Kottelat, Boulenger, Brittan, Bănărescu, Carplets, Danioninae Bleeker, Deraniyagala, Esominae Tan, Esomus Swainson, Fang, Fowler, Gray, Günther, Hamilton Another extracted example is Danionin → Allodanio, Barilius, Brachydanio, Brachydanios, Danio, Daniops, Danios, Devario, Due, Fang Fang, George, He, However, In, Myers, Myers' Daniops, Nearly, Smith, Thailand, The. Use these groups to spot repeated connection types before inspecting the individual relationships.
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 74 structured relationships around Danionin. Examples in this analysis include Rasbora → instance of → as well as some rasborin genera and Danionin → related to Common names → Since. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Rasbora
instance of
as well as some rasborin genera
0.80
text
Trigonostigma
instance of
as well as some rasborin genera
0.80
text
and Boraras
instance of
as well as some rasborin genera
0.80
text
making the danionin group paraphyletic without these rasborin genera based on these results
instance of
as well as some rasborin genera
0.80
text
Danionin
related to Common names
Since
0.60
section
Danionin
related to Common names
This
0.60
section
Danionin
related to Fossil record
Two
0.60
section
Danionin
related to Fossil record
Rasbora
0.60
section
Danionin
related to Fossil record
Eocene
0.60
section
Danionin
related to Fossil record
Sumatra
0.60
section
Danionin
related to Fossil record
Indonesia
0.60
section
Danionin
related to List of genera
Subfamily Chedrinae Bleeker
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Danionin bring nearby vocabulary together. In this analysis, examples include Genera, Group and Danionins. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
danio
Devario
Brachydanio
Species
Group
Genera
Chela
Dangila
Also
Found
Clade
Genus
Within
devario
Chela
Clade
Microdevario
Within
Group
Esomus
Genera
Also
Found
Species
Dangila
Microrasbora
danio dangila
Devario
Brachydanio
Species
Group
Genera
Chela
Dangila
Danio
Also
Found
Clade
Genus
danio feegradei
Devario
Brachydanio
Species
Group
Genera
Chela
Dangila
Also
Found
Clade
Genus
Within
chela
Esomus
Microdevario
Devario
Clade
Group
Danio
Found
Microrasbora
Genera
Hamilton
Paedocypris
Sundadanio
sister group
Chela
Also
Found
Danio
Clade
Devario
Esomus
Genera
Danionin
Rasbora
Microrasbora
Species
Danionin
Genera
Group
Danionins
Many
Found
Rasbora
Genus
Within
Esomus
Microdevario
Paedocypris
Sundadanio
danionin
Genera
Group
Danionins
Many
Found
Rasbora
Genus
Within
Esomus
Microdevario
Paedocypris
Sundadanio
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Danionin, one of the stronger structural bridges in this analysis connects Danionin with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Danionin
Nodes57
Edges56
Triples74
Avg. degree1.96
Density0.035088
Components1
Source & methodology
TTTA analyzes the structure around Danionin to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Taxonomy, Overview & Fossil record, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
