Green Tip Torch Coral

Green Tip Torch Coral

Torch

Overview

Green Tip Torch Coral features long, flowing tentacles tipped in bright green. Euphyllia glabrescens is a large-polyp stony, branching torch coral that prefers moderate light and moderate, indirect flow. It is photosynthetic via symbiotic algae but benefits from occasional small meaty feedings, which can support faster growth and deeper color. Place it where the flesh can sway without rubbing rock, and allow ample space because its sweeper tentacles can sting nearby corals.

Quick Facts

Care Moderate
Lighting Moderate–High
Flow Moderate indirect
Placement Mid–Low
Temperament Aggressive (8–10 inches spacing)

Recommended Parameters

Temp 76–80°F
pH 8.1–8.4
Salinity 1.025–1.026
Calcium 400–450 ppm
AlkAlkalinity 8–9 dKH
Magnesium 1250–1350 ppm
Feeding photosynthetic, mysis shrimp, enriched brine shrimp, chopped krill or clam, copepods, zooplankton, microplankton, coral-specific powdered foods

Care & Placement

Green Tip Torch Coral (Euphyllia glabrescens) thrives under moderate light and indirect, moderate-to-strong flow that keeps tentacles gently swaying without blasting the flesh. Aim for 80–150 PAR; start lower and ramp up over 1–2 weeks via dimming or screening to avoid bleaching. Target feed 1–2 times weekly with small meaty foods (mysis, brine, reef blends) or fine coral foods to support growth and color. Maintain stable water: 24–26°C (75–79°F), salinity 1.025–1.026, pH 8.1–8.4, alkalinity 8.0–9.5 dKH, calcium 400–450 ppm, magnesium 1250–1350 ppm, nitrate 2–10 ppm, phosphate 0.03–0.08 ppm. Test weekly; use a refractometer and auto top-off for stability. Torches are sensitive to rapid swings and low nutrients, which can cause recession.Place mid to low in the tank with strong, stable rockwork; allow 6–8 inches of space for long, stinging sweepers. Avoid touching flesh; handle by the skeleton. Do not place near other Euphyllia types or fleshy LPS; many fish ignore torches, but avoid nippers (angels, some butterflies). Acclimate with a coral dip and, if possible, quarantine to prevent pests and brown jelly disease. Keep moderate flow to reduce detritus buildup at the base. If tissue pales, lower light and increase feeding; if recession starts, check alkalinity, salinity, and pests, improve flow, and consider an iodine or antiseptic dip while siphoning any dead tissue. Wear gloves; the sting can irritate skin.

FAQ

Frequently Asked Questions

About the Green Tip Torch Coral

  • My Green Tip Torch coral’s neon tips are fading—what settings help color stay vivid?
    Keep PAR around 120–200 with strong blue spectrum (actinic 420–470 nm). Avoid ultra-low nutrients; target 5–15 ppm NO3 and 0.03–0.08 ppm PO4. Stable alkalinity (8–9.5 dKH), 35 ppt salinity, and 78–80°F support pigment retention. Consider small, periodic iron/manganese supplementation if macroalgae uptake is high, and avoid sudden light intensity jumps—ramp changes over 1–2 weeks.
  • How far can torch sweepers reach, and can I manage their sting risk?
    Sweepers can reach 6–10 inches, especially at night. Provide at least 10–12 inches of clearance and place on isolated rock “islands.” Use randomized, pulsing flow instead of strong laminar streams that can drive sweepers into neighbors. Remember: torches often sting hammers/frogspawn despite shared genus; don’t assume compatibility. Inspect after dark to confirm real-world reach.
  • What’s the best response to early Brown Jelly on a single head?
    Act fast: siphon jelly, remove the head, and dip in iodine (per label) or 1–1.5% H2O2 for 3–5 minutes, then quarantine with strong aeration. Targeted ciprofloxacin in a hospital tank can help when accessible. Increase flow and oxygenation in the display, stabilize alkalinity and temperature, and avoid mixing new torches until quarantined. Disinfect tools to prevent cross-contamination.
  • Why is a healthy torch suddenly receding despite stable tests?
    Check for hidden stressors: excessive direct flow whipping tentacles, allelopathy from soft corals, sweeper stings, or pest nipping (peppermint shrimp, crabs). Verify actual salinity with a calibrated refractometer. Look for rapid alkalinity swings between doses. Consider stray voltage and temperature micro-swings near heaters/pumps. If tissue is lifting (polyp bail-out), reduce flow, stabilize parameters, and secure the base firmly.