Penguin Tetra and Similar Species
Thayeria boehlkei
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Open the appSeveral fish can be confused with Penguin Tetra. Here are the key differences.
Species often confused with {name}
Thayeria ifati
Thayeria ifati
Key differences: The black lateral stripe in T. ifati is generally narrower and does not extend as prominently or as sharply angled into the lower caudal fin lobe as in T. boehlkei. T. ifati also tends to be slightly smaller.
Thayeria obliqua
Thayeria obliqua
Key differences: While also having a black stripe, the stripe in T. obliqua is typically broader and less sharply defined, and its extension into the caudal fin may differ subtly. T. obliqua is generally found in different geographic regions (e.g., Paraguay River basin).
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
Key differences: The Black Neon Tetra has two lateral stripes (one black, one iridescent white/blue) and lacks the distinctive caudal fin extension of the black stripe seen in Thayeria species. Its body shape is also slightly deeper.
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