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Birdsnest Coral

The birdsnest coral is another beginner-friendlier SPS - delicate, needle-thin branches that tangle into a rounded 'nest', usually in pink, green or cream, growing fast when the water is stable.

Last reviewed: July 2026

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Overview

The birdsnest coral is another beginner-friendlier SPS - delicate, needle-thin branches that tangle into a rounded 'nest', usually in pink, green or cream, growing fast when the water is stable. Its fine branches are fragile but frag easily. (Seriatopora hystrix.)

Origin & Habitat

Indo-Pacific reefs, on slopes and lagoons in bright, moving water.

Appearance

A dense bush of very thin, pointed branches forming a rounded nest shape; pink, green or tan with tiny polyps that give it a fuzzy look when open.

Placement & Temperament

Fast-growing and can shade neighbours; give it space. Fragile branches snap easily when handled - which conveniently makes it easy to propagate.

Tank & Water Conditions

SPS stability required - salinity 1.025-1.026, 24-26°C, steady alkalinity 8-9 dKH, calcium 420-450, magnesium 1300-1350. Consistency is everything.

Lighting & Flow

High light (about 150-250 PAR) and strong flow.

Feeding

Photosynthetic and fine-plankton feeder; clean, stable water is the priority.

Health & Growth

One of the easier SPS, but still crashes from parameter swings. Its thin branches are brittle; handle by the base.

Pros & Cons

Pros

Easier, fast-growing SPS
Delicate ornamental 'nest' shape
Very easy to frag

Cons

Needs stable SPS conditions
Brittle, easily broken branches
Demands strong light and flow

Everyday gear for a reef tank

Reef salt mix Mixed fresh for every reef water change. Check price Refractometer Reads salinity, a number worth checking often. Check price Reef light Matched to the light level the care section gives. Check price Reef test kit You cannot manage what you cannot measure. Check price

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Birdsnest Coral - frequently asked questions

Is birdsnest coral good for an SPS beginner?

Along with montipora, yes - it is one of the more forgiving SPS. It still needs a mature, stable tank with strong light and flow.

My birdsnest branch broke off - is that a problem?

Not really - the branches are brittle, but a broken piece glued to rock simply grows into a new colony. It is one of the easiest corals to frag.