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Rock flower anemone
Natural variantCommon in the tradeBeginner to keep

Ultra Red Rock Flower

A variant of Rock flower anemone (Phymanthus crucifer)

Ultra Red Rock Flower

Representative Rock flower anemonephoto — a dedicated image of this exact morph isn't available yet.

A solid deep-red to crimson rock flower anemone with a contrasting oral disc, one of the most familiar color forms of *Phymanthus crucifer*. The short, knobby tentacles give it the classic "flower" look.

📜 Backstory

A staple color grade offered by The Coral Farm, LiveAquaria, SaltCritters, Oceans Garden Aquaculture and most Florida/Caribbean wild-collection suppliers. "Ultra Red" is a grading term for the most saturated red wild specimens, not a propagated line. The species ranges across the western Atlantic (North Carolina to Brazil), so all stock is wild-origin.

Keeper tips for this variant

Seat it in a shallow sand depression or low rock crevice under modest lighting; feed small meaty pieces (mysis, chopped seafood) a couple times a week to keep the color rich.

This page covers the Ultra Red Rock Flower variant. For full husbandry, water params, diet and health —General care: Rock flower anemone

Other Sea Anemones variants

Rainbow rock flowerUltra/collector morphsBounce / Ultra Bounce Rock FlowerOrange Rock FlowerRed Rock FlowerGreen Rock FlowerPink/Magenta Rock FlowerSunburst Rock FlowerBullseye Rock FlowerUltra Rainbow Rock FlowerUltra Green Rock FlowerOrange / Gold Rock FlowerPink / Bubblegum Rock FlowerColorado Sunburst (CSB) BTAChicago Sunburst BTARainbow BTABlack Widow BTARose Bubble Tip (RBTA)Ultra Maxi-Mini (Mini Carpet)