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AQUAPEDIA / SOURCE-LINKED RESEARCH

Orochi Lame (Black Diamond)

オロチラメ / ブラックダイヤ

Historical Medaka varietyEvidence by claimIndependent review ongoing

Nakazato's Black Diamond is a reflective-lame selected cross of Orochi and Blue Lame Miyuki, reported at F4.

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: Orochi Lame (Black Diamond); Japanese romaji: not verified; Japanese characters: オロチラメ / ブラックダイヤ. 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 1Orochi black-body familyREPORTED INPUT / STAGE 2Lame selection giving Black DiamondFOCAL STRAINAMERICAN / ENGLISH NAMEOrochi Lame (Black Diamond)JAPANESE NAME (ROMAJI)Not verifiedJAPANESE LETTERS (日本語)オロチラメ / ブラックダイヤ
Dashed connectors show breeder-reported input or selection history; they do not prove genetic parentage. Not a confirmed genotype or parent-fish identification.

Derived Orochi-family lame selection, not a verified original mating Source: Nakazato Orochi Lame historic source

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Lineage review · Batch 19: Historical source describes the breeding stock or selected form shown by dashed connections. This does not establish individual parentage, genotype, or dominance. Original specialist source ↗

Overview

Nakazato's Black Diamond is a reflective-lame selected cross of Orochi and Blue Lame Miyuki, reported at F4. Historical catalog creator attribution: Yoshinori Nakazato / 中里良則 (Kanagawa). The 2018 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: Yoshinori Nakazato / 中里良則 (Kanagawa).Historical maker credit or explicitly unknownH12 ↗
The 2018 archive distinguishes the added lame trait from original Tanikuni Orochi; occasional related offspring are described with gold-tail expression.Specialist archival variety description; development steps may be omittedH12 ↗
Dark Orochi-family body with visible reflective lame points; occasional sibling gold-tail phenotype.Historical observable phenotype, not a genetic assayH12 ↗
Original Orochi is credited to Masahiro Tanikuni, while this documented descendant line is credited to Nakazato. Documented in the 2018 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.