Corals

Chalice corals (Echinophyllia species) are large polyp stony corals known for their unique, plate-like growth and striking coloration. Their fleshy, undulating polyps make them a vibrant addition to any reef tank. With moderate lighting, gentle flow, and occasional feeding, Chalice corals thrive and display their distinctive textures and patterns.

Scientific Name & Identification

Chalice corals (Echinophyllia species) are identifiable by their broad, plate-like structures, often with undulating edges. Polyps can be round or slightly elongated, and colonies typically display vivid colors with contrasting centers or patterns. Polyps fully extend during the day and at night, showing their characteristic patterns and texture.

Natural Habitat

Native to the Indo-Pacific, Chalice corals are usually found on reef slopes and lagoon areas with low to moderate water flow. These natural conditions guide ideal aquarium placement and care.

Aquarium Care & Setup

Temperature: 74–80°F (23–27°C)

pH: 8.1–8.4

Salinity: 1.024–1.026

Flow: Low to moderate, enough to bring nutrients to the polyps without blasting the plates

Lighting: Moderate, ideally 50–150 PAR. Avoid direct high-intensity lighting to prevent bleaching

Placement: Sandbed or lower rockwork with space around colonies to prevent stinging

Feeding Chalice Corals

Chalice corals benefit from occasional target feeding. Their polyps extend at night and will accept small meaty foods such as mysis shrimp, brine shrimp, or coral-specific pellets. Feeding 1–3 times per week promotes coloration, polyp expansion, and healthy growth.

Growth and Behavior

Chalice corals form plate-like colonies with undulating surfaces. They are semi-aggressive, extending sweeper tentacles at night to protect their space. Polyps expand both day and night, adding movement and color to the reef.

Tankmates

Chalice corals are compatible with most peaceful reef fish and invertebrates. Avoid aggressive species that may nip at the polyps. Ideal tankmates include tangs, gobies, cleaner shrimp, and snails.