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Common Goby and Similar Species

Pomatoschistus microps

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Several fish can be confused with Common Goby. Here are the key differences.

Species often confused with {name}

Sand Goby

Pomatoschistus minutus

Key differences: The Sand Goby typically has a more pointed snout and a larger mouth. It also has a distinct black spot on the anterior part of the first dorsal fin, which is usually absent or less pronounced in the Common Goby. The Common Goby's first dorsal fin is generally lower than its second, whereas in the Sand Goby, they are often of similar height or the first is slightly taller. The Common Goby also has fewer scales in the lateral series (39-48 vs. 58-72 in Sand Goby).

Painted Goby

Pomatoschistus pictus

Key differences: The Painted Goby is generally more robust and has more distinct, often darker, vertical bands or blotches on its flanks. It also typically has a more pronounced black spot on the first dorsal fin and often a series of small, dark spots along the lateral line. Its habitat preference leans more towards rocky or gravelly substrates rather than purely sandy/muddy areas.

Two-spotted Goby

Gobiusculus flavescens

Key differences: The Two-spotted Goby is easily distinguished by its two prominent black spots on the caudal peduncle (one on each side) and its more pelagic (open water) swimming behavior, often found in small shoals, unlike the benthic Common Goby. It also has a more slender body and a different fin structure.

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