☢️💛🌿 Sinularia sp. “Toxic Yellow” – XXL Colony (Australia)
WYSIWYG / Select Specimen – Ultra Fluorescent Rare Leather Coral
🔹 Quick Stats
Care Level: Easy to Moderate
Temperament: Peaceful (may release allelopathic compounds)
Colour Form: This rare Australian Sinularia displays an intense toxic-yellow coloration across its branching leather structure. Under actinic lighting, the coral glows with extreme neon fluorescence, appearing almost electric. Under balanced white lighting, it reveals rich lemon-yellow to chartreuse tones with a soft, velvety surface and extended polyps adding texture.
Water Conditions: 24–26 °C, dKH 7.5–8.5, pH 8.0–8.4, sg 1.024–1.026
Family: Alcyoniidae
Lighting: Moderate (PAR 80–150)
Water Flow: Moderate, turbulent flow preferred
Placement: Mid to upper reef
Type: XXL Colony – WYSIWYG / Select
🧬 Overview
The Sinularia “Toxic Yellow” is an exceptionally rare and high-impact soft coral, especially in XXL colony form. Originating from Australian waters, this morph stands out for its pure, saturated yellow coloration—something rarely seen at this intensity in leather corals.
As the colony expands, it develops a branching, tree-like structure with flowing polyps that create subtle movement across the entire surface. Under blue lighting, the fluorescence becomes extreme, turning the coral into a glowing centrepiece.
Its size and colour make it a dominant visual feature in any reef, ideal for collectors looking for something truly different from typical SPS/LPS pieces.
🧾 WYSIWYG / Selection Note
You will receive either the exact XXL colony shown or a carefully selected specimen with similar size, colour intensity and structure.
Selected for:
• Extreme toxic-yellow fluorescence
• Rare Australian origin
• XXL colony size with strong presence
• Branching leather structure with movement
• Unique soft coral centrepiece potential
🍽️ Care & Feeding
Sinularia rely mainly on photosynthesis but benefit from nutrient-rich systems.
Recommended support:
• Stable nutrient levels (avoid ultra-low nutrient systems)
• Occasional broadcast feeding of fine plankton
• Iodine and trace element supplementation
📈 Optimal Parameters
Parameter | Ideal Range
Alkalinity (dKH) | 7.5–8.5
Calcium (Ca) | 400–450 ppm
Magnesium (Mg) | 1250–1400 ppm
Nitrate (NO₃) | 5–15 ppm
Phosphate (PO₄) | 0.03–0.10 ppm
📍 Placement
Place in moderate to strong flow to keep the surface clean and polyps extended. Allow space from sensitive corals due to potential chemical interactions.
☢️ Sinularia “Toxic Yellow” – XXL (Australia)
Pure radioactive yellow in massive form — an ultra-rare leather coral that dominates with colour, scale and undeniable reef presence.
