• Name:

    Black Widow Torch

    (View AKA's)
  • Family: Euphyllidae
  • Species: Euphyllia
  • Scientific Name: Euphyllia sp
More Details

Also Know As:

| Black Widow Euphyllia Torch

| Black Widow Torch Euphyllia

General info about Black Widow Torch

In general, corals from the genus Euphyllia have long tentacles that may stretch out 2 to 4 inches and are usually extended out most of the time. When the polyps are retracted, you can clearly see that each corallite is completely separated from each other and is encased by its own wall.

This is the water parameters for cultivating Black Widow Torch Euphyllia:

  • Calcium: 420 - 440 ppm
  • Alkalinity: 2.86 - 3.93 MEQ/L (8 - 11 dKH)
  • Phosphates: 0
  • Magnesium: 1260 - 1350
  • Strontium: 8 -10
  • Temperature: 75° - 80° F (24° 27° C)
  • Salinity / Specific Gravity: 1.023 - 1.025
  • pH: 8.1 - 8.4

Black Widow Torch Diet & Nutrition

The Black Widow Torch Euphyllia gets its primary nutrition from the symbiotic zooxanthellae living within its tissues. However, we still do recommend you do supplemental feeding by adding mysis and brine shrimp.

Fragging / Propagating Black Widow Torch

A mature tank is highly recommended in propagating Black Widow Torch Euphyllia. They need to be set in the middle or bottom portion of the tank.

Flow / Lighting Requirements for Black Widow Torch

Black Widow Torch Euphyllia requires moderate lighting and moderate to strong water flow.

Parasites & Diseases that Affect Black Widow Torch

The Black Widow Torch Euphyllia is prone to brown jelly infection, especially if there is minimal water flow.

Caution Should be Taken with Black Widow Torch

The Black Widow Torch Euphyllia has semi-aggressive behavior. With this, proper spacing in relation to other coral specimens is recommended.

How to Acclimate Black Widow Torch

Since Black Widow Torch Euphyllia is a marine species, salinity must be entirely maintained at 1.023 to 1.025 specific gravity.

Stinging Tentacles on Black Widow Torch

Black Widow Torch will sting other species of corals nearby and ample room should be provided to them. I some cases some different species of torches will actually sting other torches as well. 

Relevent Articles

Original Detail

Name Species Family Scientific Name More Detail Added by
Black Widow Torch Euphyllia Euphyllidae Euphyllia sp

In general, corals from the genus Euphyllia have long tentacles that may stretch out 2 to 4 inches and are usually extended out most of the time. When the polyps are retracted, you can clearly see that each corallite is completely separated from each other and is encased by its own wall.

This is the water parameters for cultivating Black Widow Torch Euphyllia:

  • Calcium: 420 - 440 ppm
  • Alkalinity: 2.86 - 3.93 MEQ/L (8 - 11 dKH)
  • Phosphates: 0
  • Magnesium: 1260 - 1350
  • Strontium: 8 -10
  • Temperature: 75° - 80° F (24° 27° C)
  • Salinity / Specific Gravity: 1.023 - 1.025
  • pH: 8.1 - 8.4
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