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Pink Branching Hammer is a branching LPS coral valued for its pink tentacles and bouquet-like growth form. In the aquarium trade, this name mainly describes a color and growth form rather than a single scientific species. Its fleshy polyps expand when lighting and flow are suitable, creating constant movement in a reef display. Like other hammer corals, it requires stable seawater, open space and careful acclimation. Successful care depends primarily on stable parameters, moderate indirect flow and appropriately measured supplemental feeding.

General species description

Pink Branching Hammer is a large-polyp stony coral usually sold under a trade name rather than a precise taxonomic identification. It belongs to the branching hammer coral group, whose branches end in calices containing soft, expandable polyps. Its pink coloration can vary with lighting, nutrition and aquarium conditions. As a member of the Euphylliidae family, it has tentacles that may expand substantially. It is a photosymbiotic organism that depends on its zooxanthellae while also benefiting from occasional food inputs. It should be given an open area away from direct contact with other corals because its tentacles may become aggressive.

Geographic origin and biotope

Branching hammer corals sold under this type of name generally come from the tropical Indo-Pacific, in shallow to intermediate reef environments. They grow attached to hard substrates within coral formations where the water remains oxygenated and regularly renewed. In aquaria, this setting is recreated with clear seawater, suitable reef lighting and indirect flow. The exact origin of an individual colony can vary according to its supply chain or captive production. The preferred biotope is characterized by moderate, changing flow, rather than a strong jet aimed directly at the polyps.

Precise location and local name

Pink Branching Hammer is primarily an aquarium trade name. It is commonly called Pink Branching Hammer or branching pink hammer coral. The term “branching hammer” refers to the branching growth form and the shape of the polyp tips, which resemble small hammers. The word “pink” describes the dominant coloration seen in the colony being sold. This name may cover visually similar individuals and is not, by itself, a scientific designation. In aquarium English, Pink Branching Hammer remains the clearest common name for this coral.

Appearance and physical characteristics

The colony forms separate calcareous branches, each ending in fleshy polyps that may resemble hammers, anchors or small clubs. The pink coloration is usually expressed in the polyp tissues, while the skeleton may remain pale or beige. The polyps can expand considerably during the photoperiod and extend well beyond the skeleton. This expansion gives the colony its striking appearance but requires a generous safety distance around it. The tissues are delicate and can be damaged by rockwork, pumps or excessive direct flow. Branching growth may sometimes allow small branches to separate naturally.

General feeding

Pink Branching Hammer obtains a significant share of its energy from zooxanthellae, which use light to produce energy-rich compounds. It also benefits from organic particles and small prey carried by the current. Supplemental feeding may be offered with fine coral foods, zooplankton or small marine particles, preferably when the polyps are fully extended. Feeding should remain moderate to prevent water-quality problems. Occasional targeted feeding can support growth, but it does not replace suitable lighting or stable seawater. Remove uneaten food that is not consumed so it does not contribute to nutrient accumulation.

Essential data

• Local name used: Pink Branching Hammer; branching pink hammer coral
• Origin of the scientific name: The trade name is not a complete scientific name.
• Meaning of the full name: Pink refers to the color; Branching refers to the growth form; Hammer refers to the shape of the polyp tips.
• Common/vernacular names: Pink Branching Hammer; branching pink hammer coral
• Family: Euphylliidae
• Name pronunciation: pink bran-tching HAM-er
• Water temperature and pH: 24 to 27 °C; pH 8.0 to 8.4
• Waterway appearance and surrounding vegetation: Marine reef environment; no freshwater vegetation
• Temperament and behavior: Sessile coral; polyp expansion; tentacles may irritate nearby corals
• Bottom structure and flow: Hard substrate; moderate, indirect and changing flow

In your aquarium

Success with Pink Branching Hammer depends on a mature reef system and parameters that change very little. Place the colony on stable rockwork in an area where the current gently moves the polyps without forcing them downward. Moderate to strong lighting may work, but acclimate the coral gradually to prevent light stress. Leave open space around the colony to reduce contact with neighboring corals. Pay close attention to salinity, alkalinity, calcium, magnesium and nutrients. The most reliable approach combines chemical stability, indirect flow and adequate spacing between colonies.