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Hammer Coral (Euphyllia ancora)
Hammer Coral
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Hammer Coral (Euphyllia ancora)
Additional locales and sizes may be available!
Additional locales and sizes may be available!

Quick Stats

Care Level Moderate, Moderate
Temperament Aggressive, Aggressive
Color Form Assorted, Assorted
Water Conditions 72-78° F, 72-78° F, dKH 8-12, dKH 8-12, pH 8.1-8.4, pH 8.1-8.4, sg 1.023-1.025, sg 1.023-1.025
Family Caryophylliidae, Caryophylliidae
Lighting Moderate, Moderate
Supplements Calcium, Calcium, Strontium, Strontium, Trace Elements, Trace Elements
Waterflow Medium, Medium
Placement Bottom, Bottom
Compatibility View Chart, View Chart
What do these Quick Stats mean? Click here for more information
Care Level Moderate, Moderate
Temperament Aggressive, Aggressive
Color Form Assorted, Assorted
Water Conditions 72-78° F, 72-78° F, dKH 8-12, dKH 8-12, pH 8.1-8.4, pH 8.1-8.4, sg 1.023-1.025, sg 1.023-1.025
Family Caryophylliidae, Caryophylliidae
Lighting Moderate, Moderate
Supplements Calcium, Calcium, Strontium, Strontium, Trace Elements, Trace Elements
Waterflow Medium, Medium
Placement Bottom, Bottom
Compatibility View Chart, View Chart
What do these Quick Stats mean? Click here for more information

Overview

The Hammer Coral is a large polyp stony (LPS) coral and often referred to as Euphyllia Hammer Coral or Anchor Coral. Its common names are derived from the appearance of its hammer-, or anchor-shaped tentacles. Its polyps are visible throughout the day and night and hide its skeletal base. It may be green, tan, or brown in color, with lime green or yellow tips on the ends of its tentacles that glow under actinic lighting. Some varieties may be branched which makes them look similar to a Torch Coral (E. glabrescens).

It is moderately difficult to maintain, but with proper water conditions in the aquarium, it will thrive. It will require moderate lighting combined with moderate water movement within the aquarium. At night, its sweeper tentacles can extend up to six inches in the reef aquarium, stinging other species of corals and animals. Allow plenty of room between it and other neighboring corals. For continued good health, it will also require the addition of calcium, strontium, and other trace elements to the water.

It will benefit from additional food fed weekly in the form of micro-plankton or brine shrimp.

Approximate Purchase Size: Small: 1-1/2" to 2-1/4"; Medium: 2-1/2" to 3-1/2"; Large: 3-1/2" to 5-1/4" Extra Large: 5-1/2" to 6-1/2"

Customer Testimonials

Jie L Sacramento , CA
The metallic green hammer coral is so beautiful! Opens up in a few hours, good size and healthy. I hope to collect different colors if any are on sale again ;)
1-1 of 1 testimonials

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