Why does my Bright Eye Micromussa inflate some days and stay tight on others?

M. lordhowensis shifts between feeding and protective postures. Gentle, indirect flow lets polyps inflate and extend feeders, while too much velocity keeps tissue tight. Normal diurnal cycles are fine, but persistent deflation often flags instability (especially alkalinity), pest irritation, or vermetid/snail stings. Check after lights out for feeder extension; adjust flow to a lazy sway and stabilize parameters to restore plumpness.

My coral’s “bright eye” centers are fading. Is this a light issue or nutrients?

Usually both. Lords prefer moderate PAR (80–150) with strong blue/violet (420–450 nm). High white or sudden PAR spikes wash colors. Keep nutrients non-zero (NO3 ~5–15 ppm, PO4 ~0.03–0.1 ppm); ultra-lean systems pale tissue and centers. Gradually reduce PAR 15–20% and shift spectrum bluer. Target-feed small meaty foods 1–2x weekly to rebuild pigments.

How close can I place it to other LPS if its sweepers are short?

Sweepers are short (often <2 cm) but potent. Lords can burn neighbors and even different Micromussa morphs. Allow 3–5 cm space minimum, more in variable flow. Watch for mesenterial filaments during skirmishes. Use carbon and regular water changes to temper chemical warfare. Colonies from the same mother often fuse; unrelated colonies typically fight at the boundary.

I’m seeing slow tissue recession from the base upward. What causes it?

Common culprits are detritus trapped under the rim, vermetid snail irritation, or a shaded, stagnant base. Blast the underside with a turkey baster weekly, remove/neutralize vermetids, and ensure gentle flow reaches the skirt. If bacterial, perform an iodine dip and improve stability (alk 8–9 dKH). Rarely, severe stress triggers polyp bailout—stabilize conditions immediately to prevent it.

Bright Eye Micromussa Acan Coral

Q: I’m seeing slow tissue recession from the base upward. What causes it?

Common culprits are detritus trapped under the rim, vermetid snail irritation, or a shaded, stagnant base. Blast the underside with a turkey baster weekly, remove/neutralize vermetids, and ensure gentle flow reaches the skirt. If bacterial, perform an iodine dip and improve stability (alk 8–9 dKH). Rarely, severe stress triggers polyp bailout—stabilize conditions immediately to prevent it.

Acans LPS

Overview

Bright Eye Micromussa Acan Coral shows fleshy, round polyps with prominent central mouths and ringed coloration. Micromussa lordhowensis is a stony, colony-forming LPS coral that prefers low to moderate light and gentle to moderate water flow. It relies on symbiotic algae but accepts small meaty foods, which can support growth and color stability. Place on stable rock with space, as its sweeper tentacles can sting nearby corals.

Quick Facts

Care Moderate

Lighting Low–Moderate

Flow Moderate Indirect

Placement Low–Mid

Temperament Semi-aggressive (2–3 inches spacing)

Recommended Parameters

Temp 76–80°F

pH 8.1–8.4

Salinity 1.025–1.026

Calcium 400–450 ppm

AlkAlkalinity 8–9.5 dKH

Magnesium 1250–1350 ppm

Feeding photosynthetic, mysis shrimp, enriched brine shrimp, chopped shrimp/clam, copepods, cyclops/calanus, rotifers, microplankton, powdered coral foods

Care & Placement

Bright Eye Micromussa Acan Coral (Micromussa lordhowensis) thrives with stability, moderate nutrients, and gentle conditions. Place colonies low to mid in the tank on the sandbed or a shaded rock ledge with low–moderate light (PAR ~50–120). Start on the lower end and increase slowly to prevent bleaching; use a screen or reduce photoperiod during the first week. Provide low–moderate, indirect flow to keep polyps inflated and to move away detritus without blasting tissue. Target feed 1–2 times weekly with small meaty foods (mysis, chopped shrimp), reef pellets, or fine coral foods after lights dim when feeder tentacles emerge; this supports growth and color. Maintain temperature 76–79°F, salinity 1.025–1.026, pH 8.0–8.4, alkalinity 8.0–9.5 dKH, calcium 400–450 ppm, magnesium 1280–1380 ppm, nitrate 2–15 ppm, phosphate 0.03–0.08 ppm. Test weekly, use a refractometer, and avoid rapid swings—this coral is sensitive to changes in alkalinity and salinity.Give 2–3 inches of space; Micromussa is semi-aggressive and can deploy short sweepers at night. Drip acclimate 30–45 minutes, dip to remove pests, and quarantine if possible. Common issues: bleaching from too much light, tissue recession from unstable parameters or zero nutrients, and bacterial “brown jelly” after damage—frag away affected heads and improve flow if seen. If polyps stay retracted, reduce flow, check for pests, and verify alkalinity and salinity. Stable, moderate conditions and regular feeding yield dense, colorful heads.

FAQ

Frequently Asked Questions

About the Bright Eye Micromussa Acan Coral

Why does my Bright Eye Micromussa inflate some days and stay tight on others?

M. lordhowensis shifts between feeding and protective postures. Gentle, indirect flow lets polyps inflate and extend feeders, while too much velocity keeps tissue tight. Normal diurnal cycles are fine, but persistent deflation often flags instability (especially alkalinity), pest irritation, or vermetid/snail stings. Check after lights out for feeder extension; adjust flow to a lazy sway and stabilize parameters to restore plumpness.
My coral’s “bright eye” centers are fading. Is this a light issue or nutrients?

Usually both. Lords prefer moderate PAR (80–150) with strong blue/violet (420–450 nm). High white or sudden PAR spikes wash colors. Keep nutrients non-zero (NO3 ~5–15 ppm, PO4 ~0.03–0.1 ppm); ultra-lean systems pale tissue and centers. Gradually reduce PAR 15–20% and shift spectrum bluer. Target-feed small meaty foods 1–2x weekly to rebuild pigments.
How close can I place it to other LPS if its sweepers are short?

Sweepers are short (often <2 cm) but potent. Lords can burn neighbors and even different Micromussa morphs. Allow 3–5 cm space minimum, more in variable flow. Watch for mesenterial filaments during skirmishes. Use carbon and regular water changes to temper chemical warfare. Colonies from the same mother often fuse; unrelated colonies typically fight at the boundary.
I’m seeing slow tissue recession from the base upward. What causes it?

Common culprits are detritus trapped under the rim, vermetid snail irritation, or a shaded, stagnant base. Blast the underside with a turkey baster weekly, remove/neutralize vermetids, and ensure gentle flow reaches the skirt. If bacterial, perform an iodine dip and improve stability (alk 8–9 dKH). Rarely, severe stress triggers polyp bailout—stabilize conditions immediately to prevent it.

Shop

Shop Related

Hand-picked Acans for your Bright Eye Micromussa Acan Coral.

Your cart is empty

Bright Eye Micromussa Acan Coral

Overview

Quick Facts

Recommended Parameters

Care & Placement

Acans