Skip to main content
MarLIN logo

The Marine Life Information Network

Information on the biology of species and the ecology of habitats found around the coasts and seas of the British Isles

Navigation

  • Species

    • Species

      • Species list
      • Browse (A-Z)
      • Taxonomic tree
      •  Species gallery

      Listed species

      • Conservation of Species and Habitats Regulations
      • Northern Ireland Priority Species
      • OSPAR Annex V
      • Priority Marine Features (Scotland)
      • Scottish Biodiversity List
      • Species of Conservation Interest (SOCI)
      • Species of Principal Importance (England)
      • Species of Principal Importance (Wales)
      • UK Biodiversity Action Plan species
      • Wildlife & Countryside Act (1981)
      • Wildlife Northern Ireland Order (1985)
  • Habitats

    • Habitats

      • Habitat list
      • Browse (A-Z)
      • EUNIS list
      • UK Marine Habitat Classification list
      •  Habitats gallery

      Listed habitats

      • Habitats Directive
      • Habitats of Conservation Interest (HOCI)
      • Habitats of Principal Importance
      • OSPAR Annex V
      • Priority Marine Features (Scotland)
      • UK Biodiversity Action Plan habitats
  • Sensitivity

    • Sensitivity assessments

      • Browse A-Z by habitat
      • Browse A-Z by species
      • UK Marine Habitat Classification list
      • Sensitivity of selected habitats
      • Sensitivity to selected pressures

      Sensitivity assessment method

      • Marine Evidence based Sensitivity Assessment (MarESA) (Summary)
      • MarESA pressures and benchmarks
      • MarESA Guide (or manual)

      Sensitivity evidence

      • Sensitivity of contaminant pressures
      • MarESA data products
  • Evidence

    • Evidence based resources and tools

      • Effects of fishing
      • Seabed indicator species
      • MarLIN publications
      • UK Marine SACs Project
      •  Activity gallery
  • Traits
      •  BIOTIC (Biological Traits Information Catalogue)
      •  Marine Macrofaua Genus Traits Handbook (MMGTH)
      • Traits resources
  • Ecosystem Services
      • Ecosystem services and the universal Asset Service Matrix (uASM)
      • Search habitats, species, and ecosystem services
      • Contribute data
      • Visualise habitats and ecosystem services
  1. Home
  2. Habitats
  3. A-Z
  4. O

Habitats (A-Z)

Browse available information on habitats (as biotopes) and their sensitivity to man-made pressures. Habitats are listed from A to Z by the Marine Habitat Classification for Britain and Ireland (v22.04) biotope name (JNCC, 2022).

= MarESA review.   = MarLIN review.

A-Z listings

(Select)
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z
Ocnus planci aggregations on sheltered sublittoral muddy sediment

 Ocnus planci aggregations on sheltered sublittoral muddy sediment

Oligochaetes in full salinity littoral mobile sand missing

 Oligochaetes in full salinity littoral mobile sand

Oligochaetes in littoral mobile sand missing

 Oligochaetes in littoral mobile sand

Oligochaetes in variable or reduced salinity infralittoral muddy sediment missing

 Oligochaetes in variable or reduced salinity infralittoral muddy sediment

Oligochaetes in variable salinity littoral mobile sand

 Oligochaetes in variable salinity littoral mobile sand

Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment

 Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment

Ophiura ophiura on circalittoral muddy sand missing

 Ophiura ophiura on circalittoral muddy sand

Osmundea pinnatifida on moderately exposed mid eulittoral rock

 Osmundea pinnatifida on moderately exposed mid eulittoral rock

Ostrea edulis beds on shallow sublittoral muddy mixed sediment

 Ostrea edulis beds on shallow sublittoral muddy mixed sediment

Owenia fusiformis and Amphiura filiformis in offshore circalittoral sand or muddy sand missing

 Owenia fusiformis and Amphiura filiformis in offshore circalittoral sand or muddy sand

(Select)
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z
Skip to footer
  •   What's New?
  •   Donate
  •   Gallery
  •   Glossary
  •   Bibliography
  •  Publications
  •   BIOTIC
  •   DASSH
  •   Learning Zone
  •   Sealife survey
Marine Biological Association
  • Terms and Conditions
  • About MarLIN
  • Accessibility
  • Contact us
  • Funding
  • Gallery
  • Glossary
  • Privacy
  • Sponsorship

Marine Life Information Network (MarLIN), The Marine Biological Association of the UK (see contact us)
© 2025 The Marine Biological Association of the UK, All Rights Reserved.

Creative Commons License
The information (TEXT ONLY) provided by the Marine Life Information Network (MarLIN) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. IMAGES and other media featured on this page are each governed by their own terms and conditions and they may or may not be available for reuse. Permissions beyond the scope of this license are detailed under our terms and conditions. Based on a work at www.marlin.ac.uk.