Metarhodactis mushroom (Metarhodactis boninensis) care guide

Group
Corals
Other names
Metarhodactis
Family
Discosomidae
Origin
Western Pacific, described from the Bonin (Ogasawara) Islands, Japan
Water
saltwater
Temperature
22–26°C
pH
8.1–8.4
Hardness
dKH 8–12
Care level
beginner
Reef safe
yes
Lighting
Low to moderate
Flow
Low to medium

Care

A corallimorph (mushroom) related to Rhodactis, with a fleshy disc and short tentacles. Rarely traded under its own name. Neither LiveAquaria nor Top Shelf Aquatics lists this species; the figures are general guidance for the genus, not from a source. The figures follow LiveAquaria's Rhodactis mushroom page, a close relative. Placement: bottom of the rockwork. Light and flow: low to moderate light and gentle flow. Water: hardy. Growth: moderate. Sources: LiveAquaria (liveaquaria.com/products/green-rhodactis-mushroom-coral). Checked October 2026.

Diet

Photosynthetic; small foods occasionally.

Breeding

Splits lengthwise; cut discs and hold in rubble until attached.

Compatibility and tank mates

Semi-aggressive; keep 10 cm from other corals.

Last updated 8 October 2026. Community-edited care guide on Aquatic-Auctions.

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