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AQUAPEDIA / SOURCE-LINKED RESEARCH

Sesshu

雪舟

Medaka strainEvidence by claimIndependent review ongoing

A specialty catalog attributes Sesshu to Michinori Terai and describes a white fish with dark patterned patches.

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: Sesshu; Japanese romaji: not verified; Japanese characters: 雪舟. 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 King (black Matsui Long Fin):source population of white-black mutantFOCAL STRAINAMERICAN / ENGLISH NAMESesshuJAPANESE NAME (ROMAJI)Not verifiedJAPANESE LETTERS (日本語)雪舟
Dashed connectors show breeder-reported input or selection history; they do not prove genetic parentage. Not a confirmed genotype or parent-fish identification.

Historically reported mutant-selection origin, not a named father/mother pairing; exact founder and generations unreported Source: Medaka WEB Zukan No.0249 quoting Monthly Aqua Life Medaka guide (2019)

Browse the larger Medaka lineage atlas ↗

View this strain’s illustrated gene tree in Discord ↗

Lineage review · Batch 20: The reviewed records do not establish a defensible breeding cross; picture ancestry remains disconnected. Original specialist source ↗

Overview

Creator attribution, the timeline and phenotype can be described from specialist records; unknown parentage must remain unknown.

Claim-by-claim evidence

Research findingEvidence classDirect references
The Japanese specialist catalog names Michinori Terai as creatorSpecialist historical attributionTE2 ↗
The research inventory associates creation, exhibition and recognition with separate 2013–2014 eventsProvisional historical chronology needing primary event receiptsTE2 ↗
The described appearance includes white base with dark mottling and dorsal lightSpecialist phenotype descriptionTE2 ↗
The reviewed catalog does not supply an authenticated parent-pair pedigreeUnknown parentage; no inferred crossTE2 ↗

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

Known research gaps

  • Do not confuse a reported alias 白虎 with Savanna's White Tiger house name.
  • Original competition/recognition documents require further review.
  • Fish-specific genetic testing, validated inheritance percentages, exact water optima and universal grade thresholds have not been established from these cited histories.
  • Breeder-authenticated, licensed photos and individual parent provenance remain a separate editorial requirement.

Related profiles and lineages

Original research sources

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