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Keywords from Image Description:
Cottus gobio Linnaeus Fig Matschie et al. .svg en Drawing of the European bullhead Cottus gobio Linnaeus Fig head frontal de Zeichnung der Groppe Cottus gobio Linnaeus Fig Kopf frontal Matschie Reichenow Tornier Pappenheim Mammalia Aves Reptilia Amphibia Pisces In Brauer Hrsg Die Ssswasserfauna Deutschlands Eine Exkursionsfauna