Medaka Strain – Midnight Frill External Light Type

Add drama and elegance to your top-view medaka collection with the Midnight Frill External Light Type Medaka (Japanese: ミッドナイトフリル体外光タイプメダカ). Developed by breeder Seiji Tarumi in 2023, this ornamental medaka features a rich, non-reflective black body, a glowing dorsal external light (体外光), and flowing, frilled fins. It is the most ornate phenotype from the Midnight Frill line — a successful fusion of Emekin and Black Diamond strains.

Learn more about the Midnight Frill External Light Type Medaka on our Medaka Encyclopedia page.

• Includes: 1 Male + 1 Female
• Creator: Seiji Tarumi (Japan)
• Released: 2023
• Lineage: Emekin × Black Diamond
• Key Traits: Deep black body, dorsal external shine (体外光), frilled long fins
• Phenotype: External Light Type – the most expressive of the Midnight Frill variants
• Shipping: UPS 2-Day Air strongly recommended

※ All photos are original or used with permission from SNR KOREA. Each fish is unique — appearance may vary by lighting, age, and genetics. Unauthorized reproduction is prohibited.

Important Purchase & Shipping Information

For customers who purchase physical Medaka:

• All live medaka sales are final. No cancellations once confirmed.
• Color, shine, and fin shape may vary slightly depending on lighting and tub conditions.
• This item is not eligible for returns or exchanges.
• Shipping only within the continental U.S. (no Hawaii or Alaska).

Shipping Information

• Please select UPS 2-Day Air to qualify for our DOA (Dead-on-Arrival) policy. See our full Shipping Policy.
• Shipping may be delayed if weather or fish condition is not optimal at time of packing.
• Multiple live fish orders may be combined when possible.