Hammer coral

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Gold Hammer →

A classic Euphyllia ancora morph with warm golden-yellow tentacles, often with slightly brighter T-shaped tips that glow under blue light.

Tip: Place low-to-middle in the tank under moderate light (roughly 100-150 PAR) with gentle, indirect flow so the fleshy polyps can fully extend without tearing on neighbors. Keep 6+ inches from other corals to avoid sweeper-tentacle stings.

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Toxic Green Hammer →

An intensely fluorescent lime/neon-green branching hammer whose tentacle tips practically glow, often paired with a contrasting gold or brown stem.

Tip: Give it moderate blue-spectrum light to maximize the green fluorescence and keep flow gentle and indirect to protect the inflated tentacles. Allow space from neighbors for the sweeper tentacles.

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Green Hammer (Wall) →

Classic Euphyllia ancora with green, hammer/anchor-shaped tentacle tips in a wall form. The most common and hardy hammer.

Tip: Moderate indirect flow and PAR 80-120 keeps the polyp fully inflated; aim flow so the tentacles drift rather than blast them.

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Branching Hammer →

Branching skeleton with each head on its own stalk, ideal for fragging. Same anchor-tipped tentacles as the wall form.

Tip: Frag by snapping a branch at the base with bone cutters and glue the skeleton (not the flesh) to a plug.

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Gold/Torch-Gold Hammer (Gold Hammer) →

Golden-yellow body with green or contrasting tips, a brighter pigment line than standard green. Very popular mid-range piece.

Tip: Stable alkalinity is critical — Euphyllia hate alk swings and the gold morphs brown-out and recede fast when parameters drift.

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Octo / Wall Octo Hammer →

Hammer with rounded, multi-lobed anchor tips and a denser polyp, blending hammer and frogspawn traits. Fuller-looking than standard hammer.

Tip: Acclimate light slowly; the fuller polyps can bleach if moved straight under high PAR from a dim holding tank.

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Gold Torch / 24K Hammer →

Premium intensely golden hammer with luminous tips, among the priciest Euphyllia trade names. Sensitive high-color line.

Tip: Most prone to 'brown jelly' and rapid tissue necrosis — quarantine, keep flow steady, and never let it touch or sting a neighbor.

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Rainbow Hammer →

Multicolor morph with pink/purple/orange tips over a green or gold body. True rainbows command high prices and sell out fast.

Tip: Protect the pigment with dimmer blue-heavy light and rock-solid parameters; high-end Euphyllia are the first to crash in an unstable tank.

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Indo / Aussie Gold Hammer →

Regional collection variant; Aussie hammers tend to have thicker tissue and richer gold than Indo imports. Both share anchor-tipped tentacles.

Tip: Space all hammers 6+ inches apart — their long sweeper tentacles deliver a powerful sting to anything within reach at night.

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Orange Hammer →

A hammer with warm orange-toned tentacles, often graduating to lighter tips, sitting between gold and the rarer red/pink hues. A vivid, warm-spectrum standard.

Tip: Mid-tank placement with gentle, turbulent flow so all heads inflate evenly; avoid sandbed grit blowing onto the flesh which causes tissue recession.

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Branching Green Hammer →

The branching form of hammer coral (Euphyllia/Fimbriaphyllia ancora) with fluorescent green hammer-tipped tentacles on a tree-like skeleton, each branch capable of producing new heads. The accessible workhorse hammer.

Tip: Branching hammers frag more easily and tolerate slightly stronger flow than wall types; mount mid-tank where dropped daughter heads can re-attach to nearby rock.

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Wall (Octopus) Green Hammer →

The wall/meat form of green hammer (Euphyllia/Fimbriaphyllia ancora) where many tentacles emerge from a continuous folded skeleton rather than branches, creating a dense field of green anchor tips.

Tip: Wall hammers cannot drop frags as easily, so position once and leave it; rest it on sand or a flat ledge in moderate light and keep gentle flow to avoid flesh tearing on the sharp skeleton edges.

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Rainbow Branching Hammer →

A multicolor branching hammer blending neon green, pink, gold and purple tones across the tentacles for a 'rainbow' effect under mixed lighting.

Tip: Mount on a low-to-mid rock with moderate light and soft flow; too much intense light can wash out the pinks and purples. Give it room from aggressive neighbors.

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Splatter Branching Hammer →

A branching hammer with a mottled 'splatter' pattern of contrasting green, gold and purple blotches scattered across the tentacles.

Tip: Keep under moderate light with indirect flow; position where the patterned tentacles stay extended and visible from the front glass. Leave space for the stinging sweeper tentacles.

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Golden Splatter Branching Hammer →

A premium splatter hammer dominated by rich gold with green and darker splatter accents, noticeably more saturated than the standard splatter.

Tip: Moderate light and gentle flow; give it space from aggressive neighbors since the long sweeper tentacles can sting. Acclimate lighting slowly to keep the gold from washing out.

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Holy Grail Hammer →

A highly sought multicolor hammer combining gold, green, orange and pink in a vivid 'holy grail' palette, named for its premium coloration.

Tip: Provide stable moderate light and gentle indirect flow; acclimate light slowly to preserve the warm gold and orange tones. Keep well away from neighbors due to aggressive sweepers.

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Indo Gold Branching Hammer →

An Indonesian-collected gold branching hammer with smaller, faster-growing 'micro' heads than the Australian type, showing warm gold tentacles over a purplish body.

Tip: Because the Indo heads are smaller, give moderate light and gentle indirect flow and let colonies branch out on open low rock. Still leave space for sweeper tentacles.

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Aussie Gold Hammer →

An Australian-collected gold hammer with larger, fleshier heads showing orange-brown tentacles tipped in gold.

Tip: The big Aussie heads need room to inflate, so place on open rock with moderate light and low indirect flow to avoid tissue damage. Account for its semi-aggressive sweeper tentacles.

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Gold Wall Hammer →

A wall-form (non-branching) Euphyllia ancora that grows as a continuous meandering wall of gold tentacles with T-shaped tips rather than separate heads.

Tip: Wall hammers grow slowly and prefer a stable spot with moderate light and gentle flow; avoid high flow that can fold or tear the wall tissue, and keep them clear of neighboring corals.

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Golden Octospawn →

An octospawn (a related Euphyllia, typically E. paradivisa, NOT the true hammer E. ancora) with rounded clusters of eight-pointed tentacle tips in warm solid gold.

Tip: Octospawn likes slightly lower flow than hammers; place low-to-mid with moderate light and gentle current so the puffy tips inflate. Still allow space from neighbors.

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Rainbow Octospawn →

An octospawn (a related Euphyllia, not the true hammer E. ancora) displaying a multi-tonal mix of neon green, pastel pink, gold and orange across its rounded tentacle tips.

Tip: Use blended white/blue light to show the full rainbow and keep flow gentle; octospawn tissue is delicate and tears in strong current. Leave space from other corals.

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Gold Tip Frogspawn →

A frogspawn (Euphyllia divisa/paradivisa) — the grape-tipped genus-mate of the hammer, NOT the true hammer E. ancora — with green bodies and bright gold-tipped, branching tentacles.

Tip: Frogspawn extends a lot of tissue, so give it room from neighbors, moderate light and gentle indirect flow to avoid sweeper-tentacle stings.

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Designer metallic / splatter hammers →

Line-selected and aquacultured color strains (e.g., metallic gold-tip, splatter, and rainbow hammers) propagated for enhanced coloration in captivity.

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Neon Splatter Branching Hammer →

A bright neon-green-based splatter hammer with electric fluorescent blotches. World Wide Corals also markets a related 'Neon Splatter Frammer' — a frogspawn/hammer (Euphyllia) hybrid growth form — under the same Neon Splatter name.

Tip: Use blue-heavy lighting to pop the neon fluorescence and keep flow low so the splatter-patterned heads inflate fully. The Frammer form tolerates a touch more light but keep PAR under ~175 to avoid burning.

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Cornbred Dreamsicle Hammer →

A creamy orange-and-white branching hammer named for its 'dreamsicle' pastel orange tones blended with lighter tips.

Tip: Moderate light keeps the soft pastel orange from bleaching; pair with gentle indirect flow so the delicate coloration stays even across heads. Leave space for sweeper tentacles.

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Gold Rainbow Mint Hammer →

A branching hammer mixing minty green, gold and rainbow pastel tones across the tentacles for a soft multicolor look.

Tip: Moderate blue-leaning light brings out the mint and rainbow tones; keep flow indirect to let the patterned heads stay fully open. Give it room from aggressive neighbors.