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AQUAPEDIA / SOURCE-LINKED RESEARCH

Rosé (Hirokawa pink longfin)

ロゼ

Source-documented ornamental Medaka selectionEvidence by claimIndependent review ongoing

Pale pink semi-transparent lame Hikari with extended fins.

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: Rosé (Hirokawa pink longfin); Japanese romaji: not verified; Japanese characters: ロゼ. 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 Diamond Hikari stockREPORTED INPUT / STAGE 2Mebina Lame Long Fin stockFOCAL STRAINAMERICAN / ENGLISH NAMERosé (Hirokawa pink longfin)JAPANESE NAME (ROMAJI)Not verifiedJAPANESE LETTERS (日本語)ロゼ
Dashed connectors show breeder-reported input or selection history; they do not prove genetic parentage. Not a confirmed genotype or parent-fish identification.

Published multi-generation STOCK/selection history only; not proof of a single parental pair, inheritable genotype or current fish pedigree. Source: Medaka WEB Zukan / Medaka no Yakata breeder selection account

Browse the larger Medaka lineage atlas ↗

Overview

Original Hirokawa source account describes Black Diamond Hikari crossed with Mebina Lame Long Fin followed by F2 pink Hikari selection; seller says its stock came from creator. This profile preserves the claimed history, not a DNA-verified pedigree.

Claim-by-claim evidence

Research findingEvidence classDirect references
Rosé (Hirokawa pink longfin) (ロゼ): Pale pink semi-transparent lame Hikari with extended fins.Specialist/breeder-described phenotype; no genetic assayB15R ↗
Original Hirokawa source account describes Black Diamond Hikari crossed with Mebina Lame Long Fin followed by F2 pink Hikari selection; seller says its stock came from creator.Documented breeder- or breeder-supplied breeding-stock historyB15R ↗
Creator / originator attribution: Shoichiro Hirokawa / 広川正一郎.Source-specific attribution; not proof of modern stock authenticityB15R ↗
The retailer's lineage attribution is historical documentation, not independent DNA proof or a guaranteed 90-percent result in other stocks.Evidence limit / anti-conflation noteB15R ↗

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

Known research gaps

  • Individual sire and dam identification, founder fish registers and genotype tests have not been examined.
  • Phenotype-specific fixation figures from source breeding stock cannot be generalized to retail animals.
  • The cited Japanese source owns or credits its own photographs; none are republished here without written rights.
  • No strain-specific disease resistance, water parameter requirement or feeding protocol is demonstrated; use the separately sourced Medakapedia general-care guides.

Related profiles and lineages

Original research sources

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