Toxic Yellow Frogspawn
Toxic Yellow Frogspawn
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Description
Description
Toxic Yellow Frogspawn Coral Frag
The Toxic Yellow Frogspawn is a striking Euphyllia coral prized for its vivid yellow-green colouration and flowing, multi-tipped tentacles. Under reef lighting, its intense colour and constant movement make it a standout feature coral, bringing life and energy to any aquarium.
With its balance of visual impact and manageable care requirements, Toxic Yellow Frogspawn is an excellent choice for both mixed reefs and LPS-focused systems.
Natural Habitat & Distribution
Frogspawn corals (Euphyllia divisa / Euphyllia paradivisa) are native to the Indo-Pacific region, including:
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Indonesia
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Fiji and Tonga
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The Great Barrier Reef
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The Philippines
In the wild, frogspawn corals are typically found on protected reef slopes and lagoon areas, where they experience moderate light and gentle, indirect water movement.
A Brief History
Euphyllia corals have long been favourites in the reef hobby due to their movement, hardiness, and unmistakable appearance. Brighter colour morphs, such as Toxic Yellow varieties, became increasingly popular as modern LED lighting highlighted their fluorescence and saturation.
Today, Toxic Yellow Frogspawn is valued as a reliable, eye-catching Euphyllia that performs well in home aquariums.
Appearance & Growth
Classified as an LPS (Large Polyp Stony) coral, Toxic Yellow Frogspawn features long, fleshy tentacles with rounded or split tips that sway continuously with water movement.
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Bright toxic yellow to yellow-green colouration
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Strong fluorescence under blue lighting
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Noticeable polyp extension when healthy
Growth is steady in stable systems, with additional heads forming over time.
Placement & Lighting
Toxic Yellow Frogspawn performs best under moderate lighting, closely mimicking its natural reef environment.
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Lighting: Medium
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Best placed in the mid to lower areas of the aquarium
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Excessive light may cause colour loss or tissue recession
Flow Requirements
Provide gentle to moderate, indirect flow. The tentacles should sway freely without being blasted by direct current. Too much flow can cause tissue damage, while too little may lead to detritus buildup.
Water Chemistry
Stable reef parameters are essential for Euphyllia corals. Maintain consistent levels of:
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Calcium
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Alkalinity
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Magnesium
Along with stable salinity and temperature. Regular testing and water changes help ensure long-term health.
Feeding
While largely photosynthetic, Toxic Yellow Frogspawn benefits from occasional feeding, including:
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Small meaty foods (mysis, brine shrimp)
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LPS-specific coral foods
Feeding once or twice a week can support growth and colour.
Temperament & Spacing
Frogspawn corals are semi-aggressive. At night, they can extend sweeper tentacles capable of stinging nearby corals.
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Allow adequate space around the frag
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Avoid placing too close to other LPS or SPS corals
Frag Size & Natural Variation
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Frag size: Typically 1–2 heads
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Each frag is unique and may vary slightly in colour intensity and tentacle shape depending on lighting and tank conditions.
Care Summary
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Care Level: Moderate
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Flow: Low–Medium
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Lighting: Medium
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Temperament: Semi-Aggressive
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WYSIWYG
Every featured frag is photographed individually, so the coral you see is exactly the one you’ll receive. No stock images, no substitutions — just honest, WYSIWYG frags grown and cared for in our systems.