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| Format: | Recurso digital |
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Zenodo
2025
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| Accès en ligne: | https://doi.org/10.5281/zenodo.17820076 |
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- <p><b><i>Gobio kizilirmakensis</i></b></p><p><b>Common name.</b> Filyos gudgeon.</p><p><b>Diagnosis.</b> Distinguished from other species of <i>Gobio</i> in Anatolia by: ○ 40–43 total lateral-line scales / ○ chest completely scaled, scales extending forward to or almost to isthmus / ○ head length 26–29 % SL / ○ scales on belly smaller than pupil / ○ caudal-peduncle length 2.1–2.7 times its depth / ○ 5–6 scale rows between anus and anal origin / ○ 8–10 scale rows between posterior extremity of pelvic base and anus / ○ 8–9 mid-lateral blotches. Size up to 111 mm SL.</p><p><b>Distribution.</b> Türkiye: Ulusu in Filyos drainage.</p><p><b>Habitat.</b> Moderately fast-flowing streams and small rivers with sandy or gravelly bottoms.</p><p><b>Biology.</b> No data.</p><p><b>Conservation status.</b> EN; appears to be declining within its very small range. Some food factories around Çerkes heavily pollute the Ulusu.</p><p><b>Remarks.</b> Despite its name, this species does not occur in Kızılırmak drainage. The Ulusu was considered a tributary of Kızılırmak, but it belongs to Filyos.</p><p><b>Further reading.</b> Turan et al. 2016a (description); Yoğurtçuoğlu et al. 2020a (distribution).</p>