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Characidae: Classification & Overview
Characidae, the characids, is a family of freshwater subtropical and tropical fish belonging to the order Characiformes. They are found throughout much of Central and South America, including such major waterways as the Amazon and Orinoco Rivers. These fish vary in length; many are less than 3 cm (1.2 in).
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Characidae topic overview
The analysis highlights Classification and Overview as prominent areas in the source structure around Characidae.
Related topics
124
Source areas
2
Connected nodes
126
Extracted relationships
67
Concept neighborhoods
25
Bridge connections
126
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.
Classification · 103 topics
Overview · 21 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 Characidae 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 Characidae shows recurring relationship patterns in the source. For example, Characidae → Acestrorhamphidae, Acestrorhynchidae, Alestiidae, Alestiinae, Anostomidae, Characidiinae, Chilodidae, Citharinidae, Crenuchidae, Crenuchinae, Ctenoluciidae, Curimatidae, Cynodontidae, Distichodontidae, Erythrinidae, Gasteropelecidae, Hemiodontidae, Hepsetidae, Hoplerythrinus, Hoplias Another extracted example is Characidae → Carlos Alberto Santos, Characiformes, Characoids, Daniel, Family Characidae, FishBase, Fishes, Froese, Hyphessobrycon, Inc, ISBN, Jacques, John Wiley, Joseph, Lucena, Neotropical Ichthyology, New, October, Ostariophysi, Pauly. 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 67 structured relationships around Characidae. Examples in this analysis include the piranhas → instance of → including numerous South American fish families and Characidae → related to Former members → This. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
the piranhas
instance of
including numerous South American fish families
0.80
text
dorados
instance of
including numerous South American fish families
0.80
text
as well as the African alestids
instance of
including numerous South American fish families
0.80
text
Characidae
related to Former members
This
0.60
section
Characidae
related to Former members
More
0.60
section
Characidae
related to Former members
Nannostomus
0.60
section
Characidae
related to Former members
Lebiasinidae
0.60
section
Characidae
related to Former members
Hoplias
0.60
section
Characidae
related to Former members
Hoplerythrinus
0.60
section
Characidae
related to Former members
Erythrinidae
0.60
section
Characidae
related to Former members
Hydrolycus
0.60
section
Characidae
related to Former members
Cynodontidae
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 Characidae bring nearby vocabulary together. In this analysis, examples include Fish, Characiformes and Members. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
family
Former
Order
Families
Name
Well
Charax
Members
Subfamily
Taxonomic
Fish
Aphyocharacinae
Classification
Characidae
Fish
Characiformes
Members
Order
Family
Families
Aphyocharacinae
Classification
Acestrorhamphidae
Characids
Definition
Found
characidae
Fish
Characiformes
Members
Order
Family
Families
Aphyocharacinae
Classification
Acestrorhamphidae
Characids
Definition
Found
charax
Order
Scopoli
Aphyocharacinae
Classification
Name
Tetragonopterus
Well
Former
Members
Tetra
Family
Myers
c. h. eigenmann
Malabarba
Fowler
Schultz
Weitzman
Günther
Scopoli
Géry
Myers
Tetragonopterus
Subfamily
Taxonomic
Family
fish
Taxonomic
Families
American
Definition
Including
South
Well
Members
Much
Order
acestrorhamphidae
Stevardiidae
Families
Definition
Found
Group
Just
Much
Tetra
Characidae
Family
order
Aphyocharacinae
Classification
Tetragonopterus
Well
Former
Members
Scopoli
Tetra
Subfamily
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 Characidae, one of the stronger structural bridges in this analysis connects Characidae with Classification. 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.
Characidae
Nodes127
Edges126
Triples67
Avg. degree1.98
Density0.015748
Components1
Source & methodology
TTTA analyzes the structure around Characidae to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Classification & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
