Balston's pygmy perch
species of fish
Balston's pygmy perch (Nannatherina balstoni), also known as Balston's perchlet, or king river perchlet, is a species of temperate perch endemic to Southwest Australia, where it occurs in coastal streams, ponds, lakes, and swamps. It prefers shallow, acidic waters with patches of sedge growth. This species can reach 9 cm (3.5 in) SL, though most do not exceed 6 cm (2.4 in). It can also be found in the aquarium trade.
“Balston's pygmy perch” enters the record as species of fish. Crown Archives preserves that source wording while asking what Balston's, pygmy and perch can confirm, complicate or overturn.
Why this record matters
“Balston's pygmy perch” is worth following because a concise public description often conceals a longer documentary argument. Here, Balston's, pygmy and perch provides the most credible route into that argument.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jul 29, 2026. The linked authority identifier is Q4852585. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Balston's pygmy perch” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.