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Article

Occurrence of four-spined Gasterosteus aculeatus in an isolated Croatian river population.

Journal of fish biology - 1 Nov 2009

Zanella L N, Zanella D, Mrakovcić M, Miletić M, Mustafić P, Caleta M

Abstract excerpt

An isolated population of the three-spined stickleback Gasterosteus aculeatus in Croatia was found to have a high incidence of specimens either having a fourth dorsal spine or showing remnants of a fourth spine. Juvenile individuals showed a 9.4% incidence of a fourth spine. The population was examined for asymmetry of the skeletal defensive complex in order to determine whether the additional spine could be the...

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Identifiers

PMID: 20738671
DOI: 10.1111/j.1095-8649.2009.02406.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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