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IMOS - National Reef Monitoring Network Sub-Facility - Global cryptobenthic fish abundance

Created 23/06/2025

Updated 17/10/2025

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The National Reef Monitoring Network brings together shallow reef surveys conducted around Australia into a centralised database. The IMOS National Reef Monitoring Network sub-Facility collates, cleans, stores and makes this data rapidly available from contributors including: Reef Life Survey, Parks Australia, Department of Biodiversity, Conservation and Attractions (Western Australia), Department of Environment, Water and Natural Resources (South Australia), Department of Primary Industries (New South Wales), Tasmanian Parks and Wildlife Service and Parks Victoria. The data provided by the National Reef Monitoring Network contributes to establishing and supporting national marine baselines, and assisting with the management of Commonwealth and State marine reserves. Reef Life Survey (RLS) and the Australian Temperate Reef Network (ATRC) aims to improve biodiversity conservation and the sustainable management of marine resources by coordinating surveys of rocky and coral reefs using scientific methods, with the ultimate goal to improve coastal stewardship. Our activities depend on the skills of marine scientists, experienced and motivated recreational SCUBA divers, partnerships with management agencies and university researchers, and active input from the ATRC partners and RLS Advisory Committee. RLS and ATRC data are freely available to the public for non-profit purposes, so not only managers, but also groups such as local dive clubs or schools may use these data to look at changes over time in their own local reefs. By making data freely available and through public outputs, RLS and ATRC aims to raise broader community awareness of the status of Australia?s marine biodiversity and associated conservation issues. This dataset contains records of cryptobenthic fishes collected by RLS and ATRC divers and partners along 50m transects on shallow rocky and coral reefs using standard methods. Abundance information is available for all species recorded within quantitative survey limits (50 x 1 m swathes either side of the transect line, each distinguished as a 'Block'), with divers searching the reef surface (including cracks) carefully for hidden fishes. These observations are recorded concurrently with the macroinvertebrate observations and together make up the 'Method 2' component of the surveys. For this method, typically one 'Block' is completed per 50 m transect for the program ATRC and 2 blocks are completed for RLS ? although exceptions to this rule exist. This dataset supersedes the RLS specific "Reef Life Survey (RLS): Cryptic Fish" collection that was available at https://catalogue-rls.imas.utas.edu.au/geonetwork/srv/en/metadata.show?uuid=6a56db3f-d1b2-438d-98c6-bd7dd540a4d5 (provision of data was stopped in June 2021).

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Additional Info

Field Value
Title IMOS - National Reef Monitoring Network Sub-Facility - Global cryptobenthic fish abundance
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/c73df9c0-2de0-46b8-84dd-de9a00745067
Contact Point
Australian Ocean Data Network
info@aodn.org.au
Reference Period 17/10/2025
Geospatial Coverage Australia
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "IMOS - National Reef Monitoring Network Sub-Facility - Global cryptobenthic fish abundance". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/imos-national-reef-monitoring-network-sub-facility-global-cryptobenthic-fish-abundance