Giant Caribbean Slit Pore Gorgonian

Plexaurella nutans

Saltwater Coral Species Group: Plexaurella Family: Plexauridae

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Water parameters

Temp 76-80 F Temperature

Maintaining a stable and appropriate temperature is critical for the survival of aquatic life.

pH 7.8 - 8.4 potential of Hydrogen

Measuring the acidity or alkalinity of water on a 0–14 scale, where 7 is neutral, 7 is alkaline.

NO3 1-20 ppm Nitrate

While less toxic than ammonia, high nitrate levels (above 40–80 ppm) are important to monitor because they can cause fish stress, stunted growth, and harmful algae blooms.

NO2 <0.0001 ppm Nitrite

It is a highly toxic, intermediate compound in the nitrogen cycle produced from broken-down ammonia

PO4 0.01 - 0.1 ppm Phosphate

It is essential for plant development but must be managed, as excess levels trigger nuisance algae blooms and inhibit coral calcification.

NH3 <0.1 ppm Ammonia

It is the primary killer of aquarium fish, causing gill damage, stress, and death

Ca 380 - 450 ppm Calcium

Supporting the growth, skeletal structure, and shell formation of corals, mollusks, crustaceans, and coralline algae

KH 8 - 12 dKH Alkalinity

It acts as a shield, neutralizing acids to prevent dangerous pH "crashes" that can harm fish, corals, and plants.

Mg 1200 - 1400 ppm Magnesium

It enables coral growth by supporting skeletal formation, assists in metabolic processes, and ensures that calcium is available for corals, clams, and coralline algae.

SG 1.023 - 1.026 SG Salinity

Essential for maintaining stable, natural water parameters, proper osmoregulation, and stress-free environments for marine fish and corals

ORP 250 - 400 mV Oxidation-Reduction Potential

A higher positive mV indicates clean, oxygen-rich water with high water quality, while low readings indicate high pollution.

About Giant Caribbean Slit Pore Gorgonian

General information

In general, gorgonians coming from the genus Plexaurella has a distinct feature that is characterized by their pores having individual slits. At a glance they look like any other gorgonian species, however taking a closer look at their skeletal structure gives you an identifying mark through its 4-rayed butterfly spicules in the cortex.

As for the Giant Caribbean Slit Pore Gorgonian, they are predominantly colored light brown with white tentacles. This are the water parameters for cultivating Giant Caribbean Slit Pore Gorgonian:

  • Calcium: 420 – 440 ppm
  • Alkalinity: 2.86 – 4.259 MEQ/L (8 12 dKH)
  • Phosphates: > 0.10 mg/L
  • Magnesium: 1260 – 1350
  • Strontium: 8 -10 mg/L
  • Temperature: 72° – 78° F (22° 26° C)
  • Salinity / Specific Gravity: 1.023 – 1.025
  • pH: 8.1 – 8.4

Diet & nutrition

The Giant Caribbean Slit Pore Gorgonian is not a photosynthetic species. They get their nourishment by snatching small foods present in the water like plankton. Supplemental feeding is highly advised where you can give them brine shrimp and mysis.

Determining sex

The Giant Caribbean Slit Pore Gorgonianshould be placed at the bottom portion of the tank. You may need a gel glue or putty to fasten them on an exposed rock.

Breeding & spawning

The Giant Caribbean Slit Pore Gorgonian only requires minimal lighting but a strong flow of water. This is the reason why they should be placed at the bottom of the tank.

Origination

The Giant Caribbean Slit Pore Gorgonian are a subtropical species found in the Western Atlantic Ocean, particularly in the USA and Canada.

Cautions

While the Giant Caribbean Slit Pore Gorgonian is not aggressive, you still need to give ample space between other species corals. What you should be cautious is during the handling process since the branches are highly brittle and can easily break off.

Acclimation process

Giant Caribbean Slit Pore Gorgonian are purely marine species. Therefore, salinity must be entirely maintained from 1.023 to 1.025 specific gravity.

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