The LE concept

In the early 2000s, Steve Tyree formalized a system for naming, tracking, and marketing distinctive Acropora colonies as "Limited Edition" releases. Before LE, hobbyists named coral informally and lineages got lost as colonies changed hands. After LE, a named cultivar carried a documented frag history traceable back to an originating colony.

The Tyree LE program created the framework that ORA, JF, WWC, BC, RR, TSA, and every other coral originator now operates within. Every "named coral" page on Fast Aquatics exists because Tyree's system showed the hobby that named lineages could be a category.

Foundational cultivars

  • Tyree Purple Monster - deep purple body, contrasting polyps. One of the originals.
  • Tyree Oregon Tort - the foundational tortuosa lineage
  • Tyree Pink Lemonade - pink millepora with lemon polyps
  • Tyree Lime in the Sky
  • Tyree Icefire
  • Tyree Mother of Pearl
  • Tyree Tierra del Fuego
  • Tyree Superman Tenuis
  • Tyree Raspberry Limeade
  • Tyree Pinky Bear
  • Tyree Bloody Mary
  • Tyree Purple Dragon Eyes
  • Tyree Rouge Milli
  • Tyree Flowerpetal
  • Tyree Blueberry Stars
  • Tyree Ultimate Blue Stag
  • Tyree $500 Efflo, Tyree Pink Dragon, Tyree Blue Matrix

Authenticity and lineage

Because LE cultivars trade hobbyist-to-hobbyist over decades, lineage authenticity is a community concern. A "Tyree Pink Lemonade" today may be a direct frag descendant or a misidentified pink millepora. Fast Aquatics is piloting a verified-lineage badge program for vendors who can document frag history back to Tyree-released stock.

Tyree's other contributions

Beyond LE coral naming, Steve Tyree authored "The Captive Reef" and other foundational reefkeeping texts. The LE catalog system continues to influence coral cultivar trading, exhibition standards, and the broader "named-line" economy in marine aquaculture.

Sources and references

Tyree care recommendations cross-checked against the following authoritative references and our internal vendor + breeder database.

Aquarium-keeping fundamentals

Whatever specific topic brought you here, four fundamentals govern long-term aquarium success: water quality, parameter stability, biological filtration, and species-appropriate husbandry. Skip any one and the others struggle to compensate.

Water quality: ammonia + nitrite at zero, nitrate under 30 ppm freshwater + 10 ppm reef. Test weekly with API or Salifert kits. Use our water parameter checker to score your readings against your tank type.

Parameter stability: stable wrong parameters beat fluctuating ideal parameters. Most fish tolerate a wide pH range if it's stable. Sudden swings of 0.4+ pH or 5+°F kill fish faster than chronic suboptimal values. Use temperature controllers (Inkbird) + automated dosing for consistency.

Biological filtration: the bacterial colony on your filter media + rock + substrate is the engine. Never replace all media at once. Use our filter turnover calculator to size correctly.

Species-appropriate husbandry: research adult size, territoriality, diet, and tankmate compatibility before purchase. Use our tank stocking calculator + compatibility guides.

Frequently asked questions

How long does an aquarium take to set up? 4-6 weeks for full cycling + first stocking. Use our cycle ETA calculator + how long does cycling take.

What's the best aquarium for beginners? 20-gallon long. Big enough for parameter stability, small enough for budget + space. See beginner picks.

How often should I do water changes? 25-30% weekly. See water change frequency Q&A + water change calculator.

Why does my fish keep dying? 5 leading causes: uncycled tank, wrong species pairings, no quarantine, undersized tank, neglected water-change schedule. See full diagnosis.

Related resources

Saltwater livestock · Freshwater livestock · Coral catalog · Care library · Q&A library (222) · Glossary (127) · Disease database (50) · Calculators (29) · Interactive tools (7) · Husbandry deep-dives · DIY projects · State legality directory