Southern Puffer and Similar Species
Sphoeroides nephelus
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Open the appSeveral fish can be confused with Southern Puffer. Here are the key differences.
Species often confused with {name}
Northern Puffer
Sphoeroides maculatus
Key differences: The Northern Puffer typically has a more distinct pattern of dark bars or saddles across its back and sides, often with a row of small, dark spots along the lower flank. Its spines are generally more prominent and cover a larger area of the body, extending further onto the belly. The Southern Puffer often has a more mottled pattern and less extensive spination on the belly.
Checkered Puffer
Sphoeroides testudineus
Key differences: The Checkered Puffer has a very distinct reticulated or 'checkered' pattern of dark lines on its dorsal surface, resembling a mosaic or labyrinth. Its body is also typically more elongated than the Southern Puffer. The Southern Puffer lacks this intricate checkered pattern.
Bandtail Puffer
Sphoeroides spengleri
Key differences: The Bandtail Puffer is characterized by a prominent black band across the base of its caudal fin and a series of distinct, large black spots along its lower sides. The Southern Puffer lacks these specific markings.
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