Deep-bodied silverbiddy and Similar Species
Gerres Erythoura
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Open the appSeveral fish can be confused with Deep-bodied silverbiddy. Here are the key differences.
Species often confused with {name}
Slender Silver Biddy
Gerres filamentosus
Key differences: G. filamentosus has a more slender body (body depth 2.5-3.0 times in SL) and a much longer, filamentous second dorsal spine that can extend well beyond the caudal fin base, unlike G. erythrourus where it is typically shorter and not filamentous.
Long-finned Silver Biddy
Gerres longirostris
Key differences: G. longirostris has a more elongated snout and a less deep body compared to G. erythrourus. The second dorsal spine is also not as prominently elongated as in G. erythrourus.
Common Mojarra
Eucinostomus argenteus (Atlantic species, but for comparison of general mojarras)
Key differences: While not in the same genus or region, other mojarra species can be confused. Eucinostomus species generally have a more streamlined body and often lack the distinctly elongated second dorsal spine seen in Gerres erythrourus. The premaxillary groove is also typically interrupted in Eucinostomus, whereas it is continuous in Gerres.
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