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Black ghostshark

species of chordates

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionFeb 15, 2026
Entity authorityQ2561377
Source-derived summary

The black ghostshark (Hydrolagus homonycteris), also known as the black chimaera, is a chimaera species within the family Chimaeridae. The species lives off the coasts of Australia and New Zealand, in the southwestern Pacific Ocean, in depths of 500–1,450 m (1,640–4,760 ft). It has a black or dark brown body; males have a total length of 108 cm (43 in). The species is closely related to the abyssal ghostshark. Although it is sometimes caught as a bycatch, it does not have any major threats and is listed as least concern by the International Union for Conservation of Nature (IUCN).

Taxonomy and etymology

The black ghostshark was described by Dominique A. Didier in 2008. It is one of 23 species in the genus Hydrolagus. Its genus name, Hydrolagus, comes from the Greek words hydro, which means "water" and lagos, which means "hare". The specific name, homonycteris, is composed of the word homo, the Latin word for man, and nycteris, the word for bat. Its name was taken after Thomas A. Griffiths, a professor at Illinois Wesleyan University, whose students called him "bat man".

Editorial summary

Begin with the source’s own compact description: “Black ghostshark” is species of chordates. The dossier treats that line as a proposition to test through Black, ghostshark and species, not as a finished interpretation.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—2008—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Black, ghostshark and species is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “species of chordates” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

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 Feb 15, 2026. The linked authority identifier is Q2561377. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2008.

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A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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  1. Establish the record: confirm the title “Black ghostshark”, its source revision and the description used here.
  2. Expand the search: follow Black ghostshark primary sources, Black ghostshark archive and Black 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.

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Source & attribution

This entry incorporates text from Black ghostshark” 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.