Neon Green Nepthea

Nepthea sp

Saltwater Coral Species Group: Nephtheidae Soft Coral Family: Nephtheidae

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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 Neon Green Nepthea

General information

In general, soft corals coming from the Family Nephtheidae are generally referred to as Cauliflower Soft Corals. Their coral growth is classified as Arboreal which means that they have a tree-like appearance. They have a thick base trunk which stands and looks like a tree with many branches where the tentacles are found.

As for Neon Green Nepthea, they come in different colors such as flesh, violet and light brown to name a few. This are the water parameters for cultivating Neon Green Nepthea:

  • Calcium: 420 – 430 ppm
  • Alkalinity: 3.21 – 3.57 MEQ/L (9 – 10 dKH)
  • Phosphates: 0
  • Magnesium: 1280 – 1350
  • Strontium: 8 -10 mg/L
  • Temperature: 77° – 81° F (25° – 27° C)
  • Salinity / Specific Gravity: 1.023 – 1.025
  • pH: 8.0 – 8.4

Diet & nutrition

While the Neon Green Nepthea gets it primary nourishment from a symbiotic zooxanthellae living within its tissues, the require supplemental feeding like mysis or brine shrimp.

Determining sex

The Neon Green Nepthea should be set either at the bottom or at the middle part of the tank.

Breeding & spawning

The Neon Green Nepthea requires moderate lighting and moderate waterflow.

Origination

The Neon Green Nepthea are found in the waters of the Indo-Pacific Ocean.

Cautions

While the Neon Green Nepthea has a peaceful behavior, you have to give them enough space since they release a slime coat that is harmful to other corals and irritating to a human skin. You should wear gloves in handling them. They don't need too much light, otherwise they will die and will be eaten by both fish and invertebrates.

Acclimation process

Neon Green Nepthea are purely marine species. Therefore, salinity must be entirely maintained from 1.023 to 1.025 specific gravity.

All photos

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