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AQUAPEDIA / SOURCE-LINKED RESEARCH

Black Swallow Hikari (Kenshin)

ブラックスワローヒカリ / 謙信

Historical Medaka varietyEvidence by claimIndependent review ongoing

An Oba black-colored Hikari-body Swallow Medaka recorded under the nickname Kenshin.

Picture gene & lineage tree

Visual pedigree of breeder-reported inputs, where available. Dashed arrows represent documentary claims or selection history, not DNA-tested genes.

Horizontal branching Medaka lineage. American name: Black Swallow Hikari (Kenshin); Japanese romaji: not verified; Japanese characters: ブラックスワローヒカリ / 謙信. Dashed connectors show breeder-reported input or selection history; they do not prove genetic parentage. Documented source links and evidence qualifiers follow the diagram.AQUAPEDIA / MEDAKA LINEAGE ATLASSTRAIN PEDIGREEREPORTED LINEAGEDASHED BRANCHES • REPORTED INPUTS / SELECTION STAGESNot an individual-fish pedigree or DNA / dominance test.REPORTED INPUT / STAGE 1Black ordinary-eye stock × Hikari formbreeding (Oba house)REPORTED INPUT / STAGE 2Swallow stock introduced in 2014REPORTED INPUT / STAGE 32016 selected all-black Swallow Hikariline (Kenshin)FOCAL STRAINAMERICAN / ENGLISH NAMEBlack Swallow Hikari(Kenshin)JAPANESE NAME (ROMAJI)Not verifiedJAPANESE LETTERS (日本語)ブラックスワローヒカリ / 謙信
Dashed connectors show breeder-reported input or selection history; they do not prove genetic parentage. Not a confirmed genotype or parent-fish identification.

Breeder's programme and chosen black house form, not pedigree to each individual fish Source: Medaka no Yakata, Yukio Oba's first-person Kenshin / Shingen origin history

Browse the larger Medaka lineage atlas ↗

View this strain’s illustrated gene tree in Discord ↗

Lineage recheck · Batch 025: Original breeder/archival account describes this stock origin or multigeneration selection. Dashed connectors document history, not DNA or individual fish parents. Source evidence ↗

Lineage review · Batch 016: The reviewed sources do not establish a defensible specific parent mating; the illustrated pedigree intentionally remains disconnected. Review Japanese specialist record ↗

Overview

An Oba black-colored Hikari-body Swallow Medaka recorded under the nickname Kenshin. Historical catalog creator attribution: Yukio Oba / 大場幸雄 (Hiroshima). The 2016 historical variety group is a documentary context, not proof of the first sale.

Claim-by-claim evidence

Research findingEvidence classDirect references
Historical catalog creator attribution: Yukio Oba / 大場幸雄 (Hiroshima).Historical maker credit or explicitly unknownH12 ↗
The archived description combines black body color, Hikari body form and Swallow-type elongated fin sections.Specialist archival variety description; development steps may be omittedH12 ↗
Dark body, Hikari-type body form and uneven extended Swallow fin rays.Historical observable phenotype, not a genetic assayH12 ↗
Kenshin differs from the separately cataloged black-gold Shingen Swallow Hikari line. Documented in the 2016 historical variety group.Editorial interpretation bound to historical catalog contextH12 ↗

Evidence labels refer to documentary strength. They do not assert independently tested genetics.

Known research gaps

  • Precise commercial introduction dates, actual founder specimen IDs and complete generation-by-generation records are not fully documented in this catalog.
  • The named phenotype or historical breeding description is not a DNA-verified pedigree or a guaranteed inheritance ratio.
  • Current breeder-authenticated stock, precise strain-specific water parameters and photograph licensing remain unconfirmed.

Related profiles and lineages

Original research sources

Every row above links directly to its cited reference; publication or creation years are not interchangeable.