Picture gene & lineage tree
Visual pedigree of breeder-reported inputs, where available. Dashed arrows represent documentary claims or selection history, not DNA-tested genes.
This strain's direct parent lines are not established by the reviewed sources. No breeding cross, genotype or inheritance pattern is implied. Source: Sources remain under review; ancestry connections will appear only with cited evidence.
Browse the larger Medaka lineage atlas ↗
View this strain’s illustrated gene tree in Discord ↗
Lineage review · Batch 017: The review has not established a defensible original breeding pair. The picture ancestry node remains deliberately disconnected. Specialist source ↗
Overview
A white transparent-scale forward-looking eye Medaka documented in the 2007 variety chronology. The special-eye pattern is characterized by eyeballs tilted toward the front, visibly changing its face when observed head-on. Creator-versus-discoverer status is source-scoped.
Claim-by-claim evidence
| Research finding | Evidence class | Direct references |
|---|---|---|
| Historical record: Kazuyoshi Kinoshita / 木下一好 (romanization provisional) — Original discoverer, not necessarily a creator of every later forward-eye strain. | Archive maker or discoverer attribution | E78 ↗ |
| The special-eye pattern is characterized by eyeballs tilted toward the front, visibly changing its face when observed head-on. | Source-described historical breeding and development, not independently genotyped | E78 ↗ |
| Forward-looking eye orientation on a pale transparent-scale background; angle varies among individuals. | Visual phenotype only; individual expression can vary | E78 ↗ |
| The source does not document a direct named male–female cross or a DNA-established eye-orientation mechanism. Historical context: 2007 historical catalog section. | Editorial distinction grounded in cited source; exact sale dates not guaranteed | E78 ↗ |
Evidence labels refer to documentary strength. They do not assert independently tested genetics.
Known research gaps
- Avoid conflating forward-looking eyes with small-eye, pop-eye or medical eye disorders.
- Cited first-generation and selected-parent statements do not prove DNA genotype, inheritance rate or present-day breeder-stock identity.
- No third-party breeder/catalogue image is reproduced; photo rights and original genetic records require independent review.
Related profiles and lineages
Original research sources
Every row above links directly to its cited reference; publication or creation years are not interchangeable.
- E78: Medaka no Yakata: 2001–2011 historical breeder/variety catalog — Original shop's historical chronology; dated groupings and breeder credits