泪珠珊瑚（西那蕾／纽扣珊瑚）

关于泪珠珊瑚（西那蕾／纽扣珊瑚）

A solitary large-polyp stony coral from the Indo-Pacific, Cynarina (Button Coral) swells with translucent tissue by day, revealing radiating patterns and sometimes a cat's-eye marking. A good pick for intermediate reefkeepers.

迎接泪珠珊瑚（西那蕾／纽扣珊瑚）前需要了解的7件事

1. 1Its Look Changes From Day to Night

   During the day, Cynarina's translucent tissue swells dramatically, covering its entire skeleton. At night, the tissue retracts and the skeleton's outline becomes clearly visible, giving the same coral a strikingly different appearance depending on the time of day.

2. 2A Solitary Coral, Not a Colony

   Unlike many corals, Cynarina is a solitary species, with each skeleton housing just a single polyp. While it can occasionally divide, it doesn't spread into a colony, making it a distinctive centerpiece coral to grow and observe over time.

3. 3Needs Moderate Light and Flow

   Overly strong lighting or water flow can stress its tissue. Place it in a relatively calm spot away from direct strong flow, and adjust lighting gradually while observing how it responds.

4. 4Each Coral Has Unique Patterns

   The radiating pattern created by its visible septa varies from coral to coral, and some individuals show a distinctive cat's-eye marking. Part of the fun is choosing an individual based on its unique pattern.

5. 5Feeding Helps Maintain Condition

   Beyond photosynthesis, Cynarina is also capable of capturing food. Offering small pieces of food while its tissue is expanded, such as at night, can help keep it in better condition.

6. 6Avoid Moving It Too Often

   Changes in environment can affect how much its tissue expands and its coloration. Once placed, avoid moving it around the tank frequently, letting it settle into a stable spot to help it acclimate.

7. 7Best Suited to Intermediate Keepers

   This species is generally recommended for those with some experience keeping marine fish and corals. Consider your understanding of water quality, lighting, and flow management before bringing one home.

泪珠珊瑚（西那蕾／纽扣珊瑚）的常见问题

Q.Is it safe if it touches other corals?

A.As a solitary coral with stinging tentacles, Cynarina can sting neighboring corals if they make contact. It's best to give it plenty of space from other corals in the tank.

Q.Does it staying closed during the day mean it's unhealthy?

A.How much the tissue expands varies by individual and by environment, so some corals may not puff up much even during the day. That said, if a coral stays retracted for an extended period, it may be worth reviewing the tank's lighting and water flow.

Q.How often does it need to be fed?

A.Feeding isn't strictly necessary, but offering small food particles a few times a week while the tissue is expanded can help maintain its condition. There's no need to feed it every day.

Q.Can it be kept in the same tank as other corals?

A.It can be kept in a mixed reef tank, but since it's a solitary coral with stinging tentacles, it's important to leave adequate space between it and other corals. Keep this spacing in mind when planning your aquascape.

Q.Is it subject to CITES?

A.Cynarina (Button Coral) is not subject to CITES. You can consider bringing one home without this concern.

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在图鉴中详细了解泪珠珊瑚（西那蕾／纽扣珊瑚）

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