Occurrence record: 351

of Carcharias taurus | grey nurse shark recorded on 2012-02-04

Dataset

Data resource SharkBase
Occurrence ID 351
Basis of record Not supplied
Sex unknown
Individual count 8
License CC-BY-NC-Int
Occurrence remarks Freediving just off the point, about 50m from shore, 8 individuals in about 4m of water, including a couple of smaller individuals around 1.5m long
Occurrence status present
Abcd identification qualifier Not provided

Event

Record date 2012-02-04
Supplied date "Sat Feb 04 00:00:00 AEDT 2012"
Date precision Day

Taxonomy

Scientific name Carcharias taurus
Taxon rank species
Common name grey nurse shark
Supplied common name "Ragged tooth shark"
Kingdom Animalia
Phylum Chordata
Class Chondrichthyes
Order Lamniformes
Family Odontaspididae
Genus Carcharias
Species Carcharias taurus
Taxonomic issue No issues
Name match metric Exact match
The supplied name matched the name exactly.
Name parse type wellformed

Geospatial

Locality Botelier Point
Latitude -27.0111244676635
Longitude 32.8687609413086
Geodetic datum EPSG:4326
Water body Indian Ocean
Coordinate precision Unknown

Additional properties

conditions Choppy
dcterms:bibliographic citation Kempster RM and Egeberg CA (2015). SharkBase citizen science global chondrichthyan sighting database. Support Our Sharks Ocean Conservation Society. Version 2015.07. www.shark-base.org (consulted on 29/06/2015)
sighting type Diving/Snorkelling
visibility Poor

User flagged issues 

User Assertion Status:

    Data quality tests

    Test name Result
    Occurrence status assumed to be present Warning
    Geodetic datum assumed WGS84 Warning
    Invalid collection date Passed
    Incomplete collection date Passed
    First of the month Passed
    Data are generalised Passed
    Name not supplied Passed
    Name not recognised Passed
    Invalid scientific name Passed
    Name not in national checklists Passed
    Decimal coordinates not supplied Passed
    Coordinates are transposed Passed
    Coordinates are out of range for species Passed
    Supplied coordinates are zero Passed
    Zero latitude Passed
    Zero longitude Passed
    Location not supplied Passed
    Country inferred from coordinates Passed
    Supplied coordinates centre of state Passed
    Coordinates centre of country Passed
    Missing geodetic datum Passed
    Show/Hide 14 missing properties
    Show/Hide 51 tests that have not been run

    Additional political boundaries information

    Area Management
    Global 200 priority ecoregions - Marine East African Marine
    Biodiversity
    Terrestrial Ecoregional Boundaries Southern Africa Mangroves
    World Anthropogenic Biomes (2000) Populated rangelands
    Marine
    FAO Fishery Statistical Areas 51
    Marine Ecoregions of the World Delagoa

    Environmental sampling for this location

    Biodiversity
    Endemism 0.02326173
    Endemism (Non-marine) 0.0
    Occurrence Density 4.3333335 frequency
    Shannon Diversity (H) 0.0 index
    Species Richness 2.1111112 frequency
    Climate
    WorldClim: Precipitation - annual 918.0 mm
    WorldClim: Precipitation - coldest quarter 113.0 mm
    WorldClim: Precipitation - driest month 33.0 mm
    WorldClim: Precipitation - driest quarter 113.0 mm
    WorldClim: Precipitation - seasonality 47.0
    WorldClim: Precipitation - warmest quarter 375.0 mm
    WorldClim: Precipitation - wettest month 137.0 mm
    WorldClim: Precipitation - wettest quarter 375.0 mm
    WorldClim: Temperature - annual mean 224.0 degrees C * 10
    WorldClim: Temperature - annual range 180.0 degrees C * 10
    WorldClim: Temperature - coldest month min 128.0 degrees C * 10
    WorldClim: Temperature - coldest quarter mean 191.0 degrees C * 10
    WorldClim: Temperature - diurnal range mean 103.0 degrees C * 10
    WorldClim: Temperature - driest quarter mean 191.0 degrees C * 10
    WorldClim: Temperature - isothermality 57.0 %
    WorldClim: Temperature - seasonality 2423.0 standard deviation (degrees C * 10) * 100
    WorldClim: Temperature - warmest month max 308.0 degrees C * 10
    WorldClim: Temperature - warmest quarter mean 254.0 degrees C * 10
    WorldClim: Temperature - wettest quarter mean 254.0 degrees C * 10
    Distance
    Marspec Distance to Shore 1.0 km
    Marine
    Marspec Annual Range in Sea Surface Salinity 0.56 100 x psu
    Marspec Annual Range in Sea Surface Temperature 5.22 100 x degrees C
    Marspec Annual Variance in Sea Surface Salinity 2.21 100 x psu
    Marspec Annual Variance in Sea Surface Temperature 3.6624 10,000 x degrees C
    Marspec Bathymetric Slope 0.6 10 x degrees
    Marspec Concavity 0.021000002 1000 x degrees
    Marspec East/West Aspect 1.0 radians
    Marspec Maximum Monthly Sea Surface Salinity 35.559998 100 x psu
    Marspec Mean Annual Sea Surface Salinity 35.23 100 x psu
    Marspec Mean Annual Sea Surface Temperature 24.369999 100 x degrees C
    Marspec Minimum Monthly Sea Surface Salinity 35.0 100 x psu
    Marspec North/South Aspect -0.04 1 x radians
    Marspec Plan Curvature 0.0 x 10000
    Marspec Profile Curvature -0.0019999999 x 10000
    Marspec Sea Surface Temperature of the coldest ice-free month 21.869999 100 x degrees C
    Marspec Sea Surface Temperature of the warmest ice-free month 27.09 100 x degrees C