pterygiophores

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A form of pterygiophore — Any of the bones in a fish that support the dorsal fin. There are two to three of them: proximal, middle, and distal. In spinous fins the distal is often fused to the middle or not present at all.

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Meanings

noun
  1. pluralplural of pterygiophore

    Fish were also marked with a single external dart tag (Hallprint, Hallprint Pty Ltd, Hindmarsh Valley, South Australia; 85 mm long, 2 mm dia.) inserted into the dorsal musculature and secured between the dorsal pterygiophores.

    2015 November 7, “Movements, Home Range and Site Fidelity of Snapper ( Chrysophrys auratus ) within a Temperate Marine Protected Area”, in PLOS ONE, →DOI
Cite this entry
APA

pterygiophores. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pterygiophores

MLA

“pterygiophores.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pterygiophores. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pterygiophores,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pterygiophores.

Source: pterygiophores on Wiktionary, CC BY-SA 4.0.