Pennatula aculeata

Biomechanical

• 583

  Axis presence

   observations

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• 511

  Calcareous sclerites presence

   observations

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• 598

  Main skeletal component of sclerites

  Calcite (CaCO3) (cat)

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• 632

  Skeletal rigidity

  semi-rigid (cat)

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• 561

  Type of skeleton

  Solid (scleroproteinaceous) axis with radially-layered non-scleritic calcareous material (cat)

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Conservation

• 77

  IUCN Red List category

  DD (cat)

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Ecological

• 92

  Depth lower

   observations

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• 91

  Depth upper

   observations

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• 579

  Depth zone

   observations

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• 584

  Feeding mechanism

  suspension feeder (cat)

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• 599

  Food sources

  Microzooplankton (%)

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• 629

  Light zone

   observations

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Geographical

• 564

  Climate zone

   observations

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• 578

  Marine province

   observations

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• 577

  Marine realm

   observations

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• 40

  Ocean basin

   observations

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Morphological

• 104

  Coloniality

  colonial (cat)

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• 506

  Colony height

   observations

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• 206

  Growth form

   observations

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• 576

  Growth form (basic octocorallia)

   observations

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• 628

  Growth form (detailed octocorallia)

   observations

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• 571

  Number of tentacles per polyp

  8.00 (units)

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• 539

  Peduncle length

  7.10 (cm)

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• 585

  Polyp density

  6.85 (units cm^-1)

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• 517

  Polyp diameter

  0.76 (mm)

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• 562

  Polyp dimorphism

   observations

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• 593

  Polyp leaves presence

   observations

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• 572

  Polyp retractability

  1.00 (bin)

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• 594

  Symmetry of rachis

  bilateral (cat)

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• 513

  Trunk diameter

  1.48 (mm)

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• 627

  Type of growth

   observations

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Physiological

• 507

  Colony age

  11.50 (years)

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• 60

  Growth rate

   observations

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• 41

  Zooxanthellate

   observations

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Reproductive

• 47

  Age at maturity

   observations

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• 552

  Frequency of reproduction

  continuous (cat)

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• 5

  Mode of larval development

   observations

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• 11

  Oocyte size at maturity

   observations

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• 623

  Oogenic cycle duration

  24 (months)

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• 551

  Reproductive period

  May to June (month)

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• 8

  Sexual system

   observations

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• 46

  Size at maturity

   observations

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