Long Tentacle Anemone Green - Indo Pacific

Macrodactyla doreensis


(2 Reviews)

Long Tentacle Anemone Green - Indo Pacific

Long Tentacle Anemone Green - Indo Pacific

Macrodactyla doreensis


(2 Reviews)

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Care Facts

Care Level: Easy
Temperament: Semi-Aggressive
Diet: Carnivore
Reef Safe: Yes
Minimum Tank Size: 30 Gallons
Max Size: 20 inches
Lighting: Moderate to High
Placement: Bottom to Middle
Waterflow: Moderate

The Long Tentacle Anemone, Macrodactyla doreensis, also known as the Corkscrew Anemone, Sand Anemone, and Red Base Anemone, comes in a multitude of colors and features uniquely long tentacles. It slender, smooth tentacles originate from its flat oral disc making for an elegant and active display in the tank. It is a relatively peaceful anemone that won't bother other inverts so it is considered reef safe. Growing up to 20 inches, the Long Tentacle Anemone should not be kept in a tank less than 30 gallons. It will thrive in tanks with moderate lighting, moderate flow, and a thick sandy substrate of at least four inches. The Long Tentacle Anemone will rely primarily on zooxanthellae's photosynthetic ability as its food source but will readily accept carnivorous preparations as a supplement. 



Green Long Tentacle Anemone (Macrodactyla doreensis) – A Captivating Addition to Your Saltwater Marine Aquarium!

The Green Long Tentacle Anemone (Macrodactyla doreensis) is a captivating and visually stunning addition to any saltwater marine aquarium. With their vibrant green color, ease of care, and compatibility with various tank mates, they are an excellent choice for novice and experienced hobbyists.

Habitat of the Green Long Tentacle Anemone

Green Long Tentacle Anemones (Macrodactyla doreensis) are indigenous to the Indo-Pacific region and can be found in various coastal marine environments. These remarkable creatures are often spotted in shallow waters, attaching to substrates such as rocks, rubble, or sandy ocean floors. In the wild, they are known for their striking green coloration and long, flowing tentacles.

Size and Lifespan of the Green Long Tentacle Anemone

Green Long Tentacle Anemones typically range in size from 6 to 12 inches in diameter in the aquarium but can grow to 20 inches in the wild, making them a prominent and visually striking addition to your aquarium. When provided with proper care, they can live for several years, enhancing the beauty of your underwater world for an extended period.

Growth Rate of the Green Long Tentacle Anemone

The growth rate of Green Long Tentacle Anemones can vary depending on factors such as tank conditions, water quality, and diet. Under optimal conditions, they can gradually increase in size over time.

The Green Long Tentacle Anemone's Dietary Needs

These anemones are carnivorous and primarily feed on small fish and invertebrates in the wild. In captivity, they can be sustained with a diet of meaty foods such as small pieces of shrimp, fish, or marine pellets. Feeding should occur 2-3 times weekly to meet their nutritional needs.

Compatibility of the Green Long Tentacle Anemone with Other Fish and Invertebrates

Green Long Tentacle Anemones are compatible with various fish and invertebrates, forming symbiotic relationships in the wild. However, they can also be aggressive towards certain tank mates. Compatible species include:

  • Clownfish (Amphiprion spp.): Clownfish have a special relationship with anemones, often seeking refuge and protection within their tentacles.
  • Percula Clownfish (Amphiprion percula): These clownfish are particularly well-suited to live alongside Green Long Tentacle Anemones.
  • Fire Shrimp (Lysmata debelius): These striking red shrimp can coexist peacefully with Green Long Tentacle Anemones.
  • Peppermint Shrimp (Lysmata wurdemanni): Known for their appetite for pest anemones, peppermint shrimp can be a valuable addition to your tank.
  • Cleaner Wrasse (Labroides spp.): These fish provide a beneficial cleaning service by removing parasites from other fish and can cohabitate with Green Long Tentacle Anemones.

Tank Requirements of the Green Long Tentacle Anemone

Tank Requirements: To ensure the well-being of your Green Long Tentacle Anemone, it's essential to provide the following tank conditions:

  • Minimum Aquarium Size: A suitable tank should have a capacity of at least 30 gallons to accommodate their size and provide adequate space.

Water Conditions for the Green Long Tentacle Anemone

  • pH: Maintain a stable pH level between 8.1 and 8.4.
  • Salinity: Keep salinity levels stable at 1.023 to 1.025.
  • Water Temperature: Maintain a temperature range of 74-78°F (23-26°C).
  • Lighting: Green Long Tentacle Anemones require moderate to high-intensity lighting, simulating their natural habitat in shallow waters. Metal halide or LED lighting with a spectrum of 10,000K to 20,000K is ideal for their health and vibrant coloration.
  • Water Flow: Provide gentle water flow to simulate their native environment while preventing detritus from settling on their tentacles.

Other Common Names for the Green Long Tentacle Anemone

Other Common Names: Green Long Tentacle Anemones are often called "Sand Anemones" or "Corkscrew Tentacle Anemones" due to their unique and distinctive appearance.

Why Choose Green Long Tentacle Anemones from Saltwaterfish.com:

By selecting Green Long Tentacle Anemones from Saltwaterfish.com, you're choosing a reputable source for high-quality specimens. Here's why it's the right choice for your marine aquarium:

  • Health and Quality: The Green Long Tentacle Anemones from Saltwaterfish.com are carefully sourced and maintained to ensure they arrive in top condition, displaying their vibrant green coloration and long, graceful tentacles.
  • Expert Support: Saltwaterfish.com provides valuable resources and expert advice to help you create the perfect marine environment for your Green Long Tentacle Anemone and other marine life.

Opting for Green Long Tentacle Anemones from Saltwaterfish.com ensures that you receive healthy and vibrant specimens to enhance the beauty of your underwater world. Don't miss the opportunity to introduce the striking elegance of Green Long Tentacle Anemones into your aquarium today.

It’s, doing great all those it want stay in the Bulbasaur flower pot I put it in. It, keeps jumping out! So, I am just going to let it find its on rock to stick to.


Reviewed by: Marshawn Estes on April 15, 2024

Great coloration and doing very well.


Reviewed by: Kenneth Goldsmith on Feb. 4, 2024

Large and beautiful


Reviewed by: Edward Rasmussen on July 20, 2023

Great one that can open way up.


Reviewed by: Edward Rasmussen on July 18, 2023

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