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Starfish

Starfish or sea stars are a class of echinoderms generally shaped like a star polygon. (In common usage, these names are also often applied to ophiuroids, which are correctly referred to as brittle stars or basket stars.) Starfish are also known as asteroids because they form the taxonomic class Asteroidea (/ˌæstəˈrɔɪdiə/). About 1,900 species of…

Anatomy, Life cycle & Ecology

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Map overview Semantic statistics

Starfish

Nodes261
Edges260
Triples205
Avg. degree1.99
Density0.007663
Components1

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Starfish

Top relations

related to Diversity · 22
Starfish → Asteroidea, Asterozoa, Blainville, Brisingida, Concentricycloidea, Forcipulatida, French, Greek, It, Living, Neoasteroidea, Notomyotida, Ophiuroidea, Paleozoic, Paxillosida, Phylogenetic, Spinulosida, The, Their, There
has impact · 18
Starfish → Experimental, In, Mytilus, New Zealand, Oreaster, Organisms, Paine, Pisaster, Robert Paine, Similar, South Island, Stichaster, The, Their, These, Virgin Islands, Washington, When
related to Fossil record · 14
Starfish → By, Cambrian, Cryptasterina, Despite, Devonian, During, In, Lagerstätten, Many, Middle Jurassic, Paleozoic, Permian, Somasteroidea, The
related to Sexual reproduction · 14
Starfish → Asterina, Brooding, Each, Fertilization, In, In Parvulastra, Most, Nepanthia, Other, Protandrous, Pteraster, Some, Those, When
related to Body wall · 12
Starfish → Forcipulatida, Labidiaster, Novodinia, Paxillae, Several, Some, The, There, These, They, This, Valvatida
related to In legend and culture · 11
Starfish → Among, An, Australian, Edward Tregear, Hawaii, In, The Creation Song, Welsh, Whale, When Whale, William Jenkyn Thomas
related to Larval development · 10
Starfish → At, Both, Invaginations, It, Metamorphosis, Some, The, This, When, While
related to Sensory and nervous systems · 10
Starfish → Although, Both, If, Individual, Instead, Neurons, The, There, Traditionally, Whether
related to As collectables · 9
Starfish → Caribbean, Florida, In, Indo-Pacific, Nevertheless, Oreaster, Protoreaster, State, West Indian
related to Diet · 9
Starfish → America, Echinaster, Grasping, Henricia, Most, Pisaster, The, Various, West Coast

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Important terminology

species arms body water tube surface feet found may system ossicles two sea central mouth around stomach echinoderms arm known

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Starfishis ahydraulic system made up of a network of fluid-filled canals and is concerned with locomotion0.90text
the madreporiteinstance ofSome are specialised structures0.80text
foodinstance ofenabling the starfish to detect odour sources0.80text
hemeinstance ofBlood does not contain a pigment0.80text
but is probably used to transport nutrients around the bodyinstance ofBlood does not contain a pigment0.80text
Nepanthia belcheriinstance ofIn some species0.80text
a large female can split in halfinstance ofIn some species0.80text
the resulting offspring are malesinstance ofIn some species0.80text
fishinstance ofwhich may attract larger organisms0.80text
crabsinstance ofwhich may attract larger organisms0.80text
sea urchins that feed on the sediment.Starfish sometimes have negative effects on ecosystemsinstance ofwhich may attract larger organisms0.80text
tetrodotoxininstance ofSome starfish such as Astropecten polyacanthus also include powerful toxins0.80text

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