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A coral-dwelling goby (Gobiodon histrio), one of several species that coexists among coral by means of a competitive lottery.

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Habitat space is a limiting resource for coral-dwelling gobies. The species pictured, Gobiodon histrio, coexists with an ecologically similar species in the same genus, Gobiodon erythrospilus, by means of a competitive lottery for vacant corals. There is evidence that the two species compete for vacant space, and a removal of one species results in an increase in the abundance of the other species. Although the lottery hypothesis was first developed for coral-dwelling fish, data supporting the hypothesis has remained elusive, and the data collected on this species was a notable development. This photograph originally appeared on the cover of Ecology (85:3) in March of 2004.
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Format
Primary or BEN resource type
Discipline Specific Core Concepts
Life science discipline (subject)
Keywords competition, space, limitation, coexistence, coral, fish, lottery, colonization
Key taxa coral-dwelling goby, Gobiodon histrio
Audience
Intended End User Role
Language
Educational Language
Pedagogical Use Description This photograph can be used to illustrate gobies, fish, coral reefs, and species assembly by competitive lottery.
Primary Author Controlled Name
Primary Author Affiliation Centre for Coral Reef Biodiversity, James Cook University
Primary Author email Philip.Munday@jcu.edu.au
Rights Copyright 2004 by the Ecological Society of America.
Date Of Record Submission 2008-03-31

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