Red-eye round herring and Similar Species
Etrumeus teres
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Open the appSeveral fish can be confused with Red-eye round herring. Here are the key differences.
Species often confused with {name}
Sardine
Sardinops sagax
Key differences: Sardines (e.g., Pacific sardine) typically have a more compressed body, a series of dark spots along the flanks (though not always present), and a more prominent lateral line. Their scales are generally larger and more adherent than those of Etrumeus teres.
Pilchard
Sardina pilchardus
Key differences: Pilchards are also more compressed laterally and often have distinct radiating striae on their operculum (gill cover), which are absent in Etrumeus teres. Their dorsal fin is also typically more anterior.
Other Round Herrings
Etrumeus spp.
Key differences: Distinguishing Etrumeus teres from other species within the genus Etrumeus (e.g., E. whiteheadi, E. golanii) often requires careful examination of meristic counts (e.g., fin ray counts, vertebral counts) and sometimes genetic analysis, as morphological differences can be subtle.
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