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Opsariichthys bidens

species of fish

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 3, 2026
Entity authorityQ2877487 ↗
Source-derived summary

Opsariichthys bidens, the Chinese hooksnout carp, is a species of freshwater fish in the family Xenocyprididae. It is endemic to fast-flowing streams and rivers of East Asia (China, Japan, North Korea, South Korea, and Russia) and mainland Southeast Asia (Laos and Vietnam). A mid-sized minnow, it has a maximum length of 21.9 centimetres (8.6 in) and a maximum published weight of 58.4 grams (2.06 oz), with sexual dimorphism favoring larger males.

Editorial summary

“Opsariichthys bidens” enters the record as species of fish. Crown Archives preserves that source wording while asking what Opsariichthys, bidens and species can confirm, complicate or overturn.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current 71-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Opsariichthys, bidens and species.
Editorial analysis

Why this record matters

“Opsariichthys bidens” is worth following because a concise public description often conceals a longer documentary argument. Here, Opsariichthys, bidens and species provides the most credible route into that argument.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jan 3, 2026. The linked authority identifier is Q2877487. None of the 0 selected statements returned an explicit reference.

Critical limits

Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. 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.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Opsariichthys bidens”, its source revision and the description used here.
  2. Expand the search: follow Opsariichthys bidens primary sources, Opsariichthys bidens archive and Opsariichthys research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Opsariichthys bidens”?
  2. Which observation, specimen, dataset or publication supports the account?
  3. Has classification or technical consensus changed since the cited source?
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Source & attribution

This entry incorporates text from “Opsariichthys bidens” 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.