European river shad and Similar Species
Alosa fallax
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Open the appSeveral fish can be confused with European river shad. Here are the key differences.
Species often confused with {name}
Allis shad
Alosa alosa
Key differences: Alosa alosa typically has only one distinct dark spot behind the operculum, or sometimes none, and rarely more than two. It also has significantly more gill rakers (90-130) on the lower limb of the first gill arch, which are longer and more numerous than those of Alosa fallax. Alosa alosa generally reaches a larger size.
Sardine
Sardina pilchardus
Key differences: Sardines are generally smaller, have a more rounded body profile, and lack the distinct lateral spots of Alosa fallax. Their scales are also smaller and less deciduous.
Herring
Clupea harengus
Key differences: Herring are typically more slender, lack the distinct lateral spots, and have a more pronounced keel along the belly. Their scales are also smaller and less deciduous.
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