Key Identification Features
- This species has a brownish-yellow body with indistinct dark markings, and a silvery belly.
- Three subspecies are recognized by the IUCN.
- One feature of this morphological variation is that multiple lakes contain both limnetic and benthic types that do not interbreed with each other.
- It is unknown whether they are a distinct species, or just a morph of the common Atlantic stickleback.
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