Blackstripe Topminnow and Similar Species
Fundulus notatus
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Open the appSeveral fish can be confused with Blackstripe Topminnow. Here are the key differences.
Species often confused with {name}
Northern Studfish
Fundulus catenatus
Key differences: Lacks the prominent black lateral stripe; instead, males have vertical bars or rows of spots. Dorsal fin origin is typically anterior to or directly above the anal fin origin.
Starhead Topminnow
Fundulus dispar
Key differences: Possesses a series of small, dark spots along the lateral line, often forming a broken stripe, rather than a solid black stripe. Also has a distinctive 'star' pattern on the head, which F. notatus lacks.
Plains Topminnow
Fundulus sciadicus
Key differences: Generally has a less distinct or absent lateral stripe, and often exhibits a series of small, dark spots along the sides. Its range is more western than F. notatus.
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