The dwarf galaxias has six pelvic fin rays, which distinguishes it from most other galaxiids which have only five.
Spawning occurs from March to May and also from October to November. They live on a variety of aquatic insects, especially mayflies and midges. They are non-diadromous and therefore do not have a marine phase and are not part of the whitebait catch.
- Froese, Rainer and Pauly, Daniel, eds. (2006). "Galaxias divergens" in FishBase. March 2006 version.
- NIWA June 2006
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