My Gold Pocillopora is seeding tiny colonies around the tank. What causes this, and how can I control it?

P. damicornis broods larvae and can also spread via polyp bail-out or micro-frags. Spawning often follows stable conditions and lunar cues. To limit spread, run fine mechanical filtration and strong skimming during/after release events, plus UV if available. Gently siphon new settlers early. Maintain stable alkalinity and avoid shocks that trigger bail-out. Prune the mother colony to reduce fragment drift.

How do I keep the “gold” color from washing out or browning?

Color shifts with spectrum and nutrients. Provide moderate–high PAR with strong blue/royal-blue to bring out gold fluorescence; too much white can look dull. Aim for steady NO3 around 2–10 ppm and PO4 0.03–0.1 ppm—excess fuels browning; near-zero risks paling. Keep alk stable (7.5–9 dKH). Trace balance matters; regular water changes help. Avoid large swings; color returns with consistency.

Why is the base receding while tips look fine?

Pocillopora can self-shade; interior tissue suffers in low flow/light. Increase chaotic flow to the base and thin dense branches to open the colony. Check for chemical warfare from nearby soft corals; run carbon and add space. Verify stable alk and temperature, as small swings trigger STN from the base. If recession advances, frag healthy tips and remount with good spacing and flow.

Are the small crabs in my Gold Pocillopora pests or helpful?

Trapezia “guard” crabs commonly live in pocilloporids. They defend against predators, clean sediment, and boost polyp extension. Keep them if healthy and not overly aggressive. During dips or quarantine, gently remove and rehome them to the display after treatment; they don’t tolerate many dips. True pests (e.g., hairy xanthid crabs) hide at night and damage tissue—trap and remove those.

TSA Gold Pocillopora Coral

Overview

Gold Pocillopora Coral forms tight, bushy branches with small, uniform polyps and a golden hue. Pocillopora damicornis is a small-polyp stony branching coral that prefers moderate to strong light and brisk, turbulent flow. It is mainly photosynthetic via symbiotic algae but benefits from occasional small planktonic foods, which can support growth and maintain color. Place on stable rock with room around it, as it can irritate nearby corals and may spread to new spots.

Quick Facts

Care Moderate

Lighting Moderate–High

Flow Moderate–High

Placement Mid–High

Temperament Semi-aggressive (3–6 inches spacing)

Recommended Parameters

Temp 76–80°F

pH 8.1–8.4

Salinity 1.025–1.026

Calcium 400–450 ppm

AlkAlkalinity 8–10 dKH

Magnesium 1280–1350 ppm

Feeding photosynthetic (primary), microzooplankton, rotifers, copepod nauplii, cyclops, coral-specific powdered foods, oyster eggs, marine snow

Care & Placement

Gold Pocillopora Coral (Pocillopora damicornis) thrives with stable, reef-quality conditions and strong, variable flow. Give moderate to high light (PAR ~200–350); start lower and ramp up over 2–3 weeks to avoid bleaching. Provide brisk, randomized currents to keep polyps clean and prevent detritus buildup around branches. This coral is photosynthetic but benefits from fine particulate foods (rotifers, reef-specific powders, baby brine) 1–2 times weekly; target feed lightly so tissue stays extended without smothering. Keep temperature 24–26°C/75–79°F, pH 8.1–8.4, salinity 1.025–1.026, alkalinity 8.0–9.5 dKH, calcium 400–450 ppm, magnesium 1300–1400 ppm, nitrate 2–10 ppm, phosphate 0.02–0.08 ppm. Test weekly and log results; prevent swings, especially in alkalinity and temperature.Place frags mid to high in the rockwork with strong flow, allowing 3–5 inches from neighbors. While not a long-sweeper stinger, it can irritate by contact and can spread by polyp bail-out, so control growth and avoid placing next to delicate SPS or leathers that may release irritants. Acclimate by dipping for pests, then light acclimate with screening or gradual moves upward. Watch for signs: paling/bleaching (too much light or ultra-low nutrients), browning (low light or excess nutrients), tissue recession from the base (unstable alkalinity, low flow, or pests). Increase flow if algae collects on branches; improve nutrient balance if color washes out. Frag clean, healthy tips if die-off appears at the base to save the colony.

FAQ

Frequently Asked Questions

About the TSA Gold Pocillopora Coral

My Gold Pocillopora is seeding tiny colonies around the tank. What causes this, and how can I control it?

P. damicornis broods larvae and can also spread via polyp bail-out or micro-frags. Spawning often follows stable conditions and lunar cues. To limit spread, run fine mechanical filtration and strong skimming during/after release events, plus UV if available. Gently siphon new settlers early. Maintain stable alkalinity and avoid shocks that trigger bail-out. Prune the mother colony to reduce fragment drift.
How do I keep the “gold” color from washing out or browning?

Color shifts with spectrum and nutrients. Provide moderate–high PAR with strong blue/royal-blue to bring out gold fluorescence; too much white can look dull. Aim for steady NO3 around 2–10 ppm and PO4 0.03–0.1 ppm—excess fuels browning; near-zero risks paling. Keep alk stable (7.5–9 dKH). Trace balance matters; regular water changes help. Avoid large swings; color returns with consistency.
Why is the base receding while tips look fine?

Pocillopora can self-shade; interior tissue suffers in low flow/light. Increase chaotic flow to the base and thin dense branches to open the colony. Check for chemical warfare from nearby soft corals; run carbon and add space. Verify stable alk and temperature, as small swings trigger STN from the base. If recession advances, frag healthy tips and remount with good spacing and flow.
Are the small crabs in my Gold Pocillopora pests or helpful?

Trapezia “guard” crabs commonly live in pocilloporids. They defend against predators, clean sediment, and boost polyp extension. Keep them if healthy and not overly aggressive. During dips or quarantine, gently remove and rehome them to the display after treatment; they don’t tolerate many dips. True pests (e.g., hairy xanthid crabs) hide at night and damage tissue—trap and remove those.