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Dusky shark: Regions, Phylogeny and evolution & Biology and ecology

The dusky shark (Carcharhinus obscurus) is a species of requiem shark, in the family Carcharhinidae, occurring in tropical and warm-temperate continental seas worldwide. A generalist apex predator, the dusky shark can be found from the coast to the outer continental shelf and adjacent pelagic waters, and has been recorded from a depth of 400 m (1,300…

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Dusky shark topic overview

The analysis highlights Regions, Phylogeny and evolution and Biology and ecology as prominent areas in the source structure around Dusky shark.

Related topics
189
Source areas
7
Connected nodes
196
Extracted relationships
236
Concept neighborhoods
48
Bridge connections
196

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.

Biology and ecology · 85 topics
Overview · 32 topics
Phylogeny and evolution · 27 topics
Human interactions · 16 topics
Distribution and habitat · 12 topics
Taxonomy · 11 topics
Description · 6 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.

Explore all related topics Closing gaps

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.

Overview

Taxonomy

Phylogeny and evolution

Distribution and habitat

Description

Biology and ecology

Human interactions

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Dusky shark connects Entity context

The extracted context around Dusky shark shows recurring relationship patterns in the source. For example, Dusky shark → Arabian Sea, Atlantic, Atlantic Ocean, Australia, Australian, Bahamas, Bay, Bengal, Brazil, California, Canary Islands, Cape Verde, Chile, China, Cuba, Galapagos, Georges Bank, Gulf, In, Indian Ocean Another extracted example is Dusky shark → Carcharhinus, Caribbean, Carriacou, Cerro La Cruz, Chesapeake Bay, Dusky, Early Pliocene, Egypt, Florida, Galapagos, Gavin Naylor, Goose Creek Limestone, Grand Bay, Grenadines, In, Jack Garrick, Kendeace, Late Miocene, Late Pliocene, Leonard Compagno. Use these groups to spot repeated connection types before inspecting the individual relationships.

Dusky shark

Top relations

related to Distribution and habitat · 46
Dusky shark → Arabian Sea, Atlantic, Atlantic Ocean, Australia, Australian, Bahamas, Bay, Bengal, Brazil, California, Canary Islands, Cape Verde, Chile, China, Cuba, Galapagos, Georges Bank, Gulf, In, Indian Ocean
related to Phylogeny and evolution · 34
Dusky shark → Carcharhinus, Caribbean, Carriacou, Cerro La Cruz, Chesapeake Bay, Dusky, Early Pliocene, Egypt, Florida, Galapagos, Gavin Naylor, Goose Creek Limestone, Grand Bay, Grenadines, In, Jack Garrick, Kendeace, Late Miocene, Late Pliocene, Leonard Compagno
related to Biology and ecology · 28
Dusky shark → Adults, Agulhas Current, Alebion, Anthobothrium, As, Cape Fear River, Carcharias, Carcharodon, Dasyrhynchus, Dermophthirius, Echeneis, Floriceps, Full-grown, Galeocerdo, However, In, Known, Loimos, Major, North Carolina
related to Conservation · 22
Dusky shark → Commercial, Concern, Conservation, Endangered, Endangered Species Act, ESA, In, Its, IUCN, National Marine Fisheries Service, Nature, NMFS, North American, North Carolina, PCR, Species, Stocks, The American Fisheries Society, The International Union, To
related to Taxonomy · 21
Dusky shark → Academy, Although Jordan, Carcharhinus, Carcharias, Charles Alexandre Lesueur, Charles Henry Gilbert, David Starr Jordan, French, Gilbert, He, Journal, Latin, Lesueur, Many, Natural Sciences, North American, Other, Philadelphia, Squalus, Subsequent
related to history · 19
Dusky shark → Africa, Atlantic, Australia, Baja California, Depending, Females, KwaZulu-Natal, Like, Litter, Mating, New Jersey, North Carolina, Sharks, South Africa, These, This, United States, Western Australia, With
related to Description · 14
Dusky shark → Alongside, At, But, California, Dusky, Ecuador, Females, Gray, Gulf, However, In, Redondo Beach, The, This
related to Fishing · 11
Dusky shark → Australia, Australian, Demographic, Dusky, Florida, In, Large, North America, South Africa, The, This
related to Danger to humans · 10
Dusky shark → April, As, Bermuda, Galapagos, GoPro, Haderan, However, International Shark Attack File, It, The
related to External links · 8
Dusky shark → Dusky, Dusky Sharks, FishBaseBiological Profiles, Florida Museum, Natural History Ichthyology Department, Shelly Beach, SydneyCarcharhinus, YouTube

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

dusky shark sharks species ft one long also large fins females north south africa australia carcharhinus found young years eastern

Dusky shark relationships Subject–Predicate–Object triples

TTTA extracted 236 structured relationships around Dusky shark. Examples in this analysis include Dusky shark → is a → largest members of its genus and Dusky shark → is a → generalist that takes a wide variety of prey from all levels of the water column. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Dusky sharkis alargest members of its genus0.90text
Dusky sharkis ageneralist that takes a wide variety of prey from all levels of the water column0.90text
estuaries.The dusky shark is nomadicinstance ofand avoids areas of low salinity0.80text
strongly migratoryinstance ofand avoids areas of low salinity0.80text
undertaking recorded movements of up to 3instance ofand avoids areas of low salinity0.80text
800 kminstance ofand avoids areas of low salinity0.80text
sardinesinstance ofNewborn and juvenile sharks subsist mainly on small pelagic prey0.80text
squidinstance ofNewborn and juvenile sharks subsist mainly on small pelagic prey0.80text
off South Africainstance ofwhile there appears to be no reproductive seasonality in other regions0.80text
lagoons to give birthinstance ofFemales move into shallow inshore habitats0.80text
as such areas offer their pups rich food suppliesinstance ofFemales move into shallow inshore habitats0.80text
shelter from predationinstance ofFemales move into shallow inshore habitats0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Dusky shark bring nearby vocabulary together. In this analysis, examples include Shark, Sharks and Carcharhinus. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Dusky shark
    • Shark
    • Sharks
    • Carcharhinus
    • Species
    • One
    • Ft
    • Fins
    • Large
    • Africa
    • Australia
    • Humans
    • Around
  • dusky shark
    • Shark
    • Sharks
    • Species
    • One
    • Carcharhinus
    • Large
    • Ft
    • Though
    • Fins
    • Also
    • Conservation
    • Africa
  • requiem shark
    • Species
    • One
    • Large
    • Sharks
    • Though
    • Fins
    • Also
    • Conservation
    • Waters
    • North
    • Ft
    • Humans
  • shark fin soup
    • Fins
    • Species
    • One
    • Large
    • Sharks
    • Though
    • Also
    • Conservation
    • Waters
    • Size
    • North
    • Ft
  • copper shark
    • Species
    • One
    • Large
    • Sharks
    • Though
    • Fins
    • Also
    • Conservation
    • Waters
    • North
    • Ft
    • Humans
  • oceanic whitetip shark
    • Species
    • One
    • Large
    • Sharks
    • Though
    • Fins
    • Also
    • Conservation
    • Waters
    • North
    • Ft
    • Humans
  • galapagos shark
    • Species
    • One
    • Large
    • Sharks
    • Though
    • Fins
    • Also
    • Conservation
    • Waters
    • North
    • Ft
    • Humans
  • bignose shark
    • Species
    • One
    • Large
    • Sharks
    • Though
    • Fins
    • Also
    • Conservation
    • Waters
    • North
    • Ft
    • Humans

Connections between topic areas Semantic bridges

For Dusky shark, one of the stronger structural bridges in this analysis connects Dusky shark with Biology and ecology. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Dusky sharkBiology and ecology · splits 111 ⟂ 86
Dusky sharkOverview · splits 164 ⟂ 33
Dusky sharkPhylogeny and evolution · splits 169 ⟂ 28
Dusky sharkHuman interactions · splits 180 ⟂ 17
Dusky sharkDistribution and habitat · splits 184 ⟂ 13
Dusky sharkTaxonomy · splits 185 ⟂ 12
Dusky sharkDescription · splits 190 ⟂ 7

Map overview Semantic statistics

Dusky shark

Nodes197
Edges196
Triples236
Avg. degree1.99
Density0.010152
Components1

Source & methodology

TTTA analyzes the structure around Dusky shark to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Regions, Phylogeny and evolution & Biology and ecology, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Dusky shark · EN edition · Analysis: TopicsToTalkAbout

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