© Kate Osborne / CC BY 4.0舌珊瑚（Polyphyllia talpina）
Polyphyllia is a free-living coral in the Fungiidae family that doesn't attach to rock but instead rests loose on the sandy substrate, gently repositioning itself over time. Its skeleton grows into a long, slipper-like shape, and it extends countless long tentacles across its entire surface — a striking display in any tank. Body colors range through gray, green, and cream, with white-tipped tentacles scattered across the surface, and on some individuals the central groove is barely visible, giving each coral its own distinct look. It has a calm disposition and is considered beginner-friendly, making it a great starting point for anyone new to fungiid corals. Watching its tentacles sway is one of its simplest, most rewarding pleasures.
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關於舌珊瑚（Polyphyllia talpina）
Polyphyllia is a free-living Fungiidae coral that rests on sand and extends countless long tentacles from its elongated skeleton, with gray-green coloring and white-tipped tentacles. Beginner-friendly to keep.
迎接舌珊瑚（Polyphyllia talpina）前需要了解的7件事
1Free-Living, Not Attached
Polyphyllia doesn't attach to rock — it simply rests on the sand. Water flow or tankmates can nudge it out of place, so check its position periodically.
2Tentacles Are the Highlight
Its biggest appeal is the mass of long tentacles extended across the entire skeleton. They're often out during both day and night, so you can enjoy watching them extend and retract.
3Groove May Be Faint
The central groove running along the skeleton can be indistinct on some individuals. This is simply natural variation, and it's part of what makes each coral's shape unique.
4Suits an Open Sand Layout
Since it doesn't need to attach to rock, it does best with open sand space rather than being tucked among live rock. Leave room around it for the tentacles to spread.
5Keep Distance From Neighbors
Because the tentacles extend so far, place it well away from neighboring corals and rockwork to avoid contact. Repeated contact can trigger stinging effects on nearby corals.
6Generally Calm Temperament
Its movements are gentle and it doesn't show notably aggressive behavior. Still, avoid layouts where its tentacles can reach other corals, and give it plenty of open space.
7Manageable for Beginners
It's considered beginner-friendly among fungiid corals, making it approachable for a first attempt at this family. Keeping up with basic water quality care is the key to enjoying it long-term.
舌珊瑚（Polyphyllia talpina）的常見問題
- Q.Can it be kept without attaching it to rock?
- A.Yes, Polyphyllia is a free-living coral and is normally kept resting on the sand rather than attached to anything. Water flow can nudge it out of place, so check its position from time to time.
- Q.Are the tentacles always extended?
- A.It typically extends its long tentacles both day and night. That said, it may retract them in response to changes in water quality or its environment.
- Q.Is it a problem if the groove isn't clearly visible?
- A.No, an indistinct central groove is common on some individuals and falls within normal variation. It isn't directly related to the coral's health.
- Q.Is it okay to place it close to other corals?
- A.Since its tentacles extend widely, keep some distance between it and neighboring corals or rockwork. Repeated contact can lead to stinging effects.
- Q.Can a first-time coral keeper raise this species?
- A.It's considered beginner-friendly, and staying on top of basic water quality care makes it manageable. It's often chosen as an entry point into fungiid corals.
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