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Full-Flowered Sea Pen

Full-Flowered Sea Pen

Anthoptilum grandiflorum

A marine cnidarian species belonging to the order Scleralcyonacea, characterized as a soft coral sea pen with distinctive large polyp formations

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Ecology & Habitat

Habitat

Deep marine environments, typically found in continental shelf and slope regions between 50-1000 meters depth, predominantly in cold to temperate oceanic waters

Ecological Role

Critical component of deep-sea benthic ecosystems, providing habitat structure for marine invertebrates and serving as a food source for various marine predators

Morphology

  • SKIN COAT Soft, translucent exoskeleton with varying coloration from pale yellow to light orange
  • LIMBS WINGS Branching, flexible colonial structure resembling a quill or feather with multiple specialized polyp zones
  • HEAD SENSORY Specialized polyps with retractable tentacles capable of filter feeding and sensing environmental conditions
  • BODY STRUCTURE Colonial soft coral with elongated, feather-like structure composed of interconnected polyps, reaching heights up to 0.5 meters
Data Source: TaxonHub Database
Image Credit: (2025)
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