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Occurrence record: 305

of Carcharhinus | Black Tip Shark recorded on 2015-05-06

Dataset

Data resource SharkBase
Occurrence ID 305
Basis of record Not supplied
Sex unknown
Individual count 16
License CC-BY-NC-Int
Occurrence remarks small amount of food taken down for sharks, 2lbs fish heads. regular shark diving trips to this site. sharks know to go for chance of food. no male sharks present. dispersed after feeding. no aggressive behaviour, appeared to be 2 larger dominant females in the group. sharks will approach divers but no contact made. strong surface current.
Occurrence status present
Abcd identification qualifier Not provided

Event

Record date 2015-05-06
Supplied date "Wed May 06 00:00:00 AEST 2015"
Date precision Day

Taxonomy

Scientific name Carcharhinus
Supplied scientific name "Carcharhinus perezi"
Taxon rank genus
Common name Black Tip Shark
Supplied common name "Caribbean reef shark"
Kingdom Animalia
Phylum Chordata
Class Chondrichthyes
Order Carcharhiniformes
Family Carcharhinidae
Genus Carcharhinus
Taxonomic issue No issues
Name match metric Higher taxon match
The match is based on the higher level classification.
Name parse type wellformed

Geospatial

Locality roatan
Latitude 16.3041543522776
Longitude -86.5427209042907
Geodetic datum EPSG:4326
Water body Caribbean Sea
Coordinate precision Unknown

Additional properties

conditions Calm
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 Excellent

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 Mesoamerican Reef
    Marine
    FAO Fishery Statistical Areas 31
    Global Seagrass Species Richness (2003) 4.00000000
    Marine Ecoregions of the World Western Caribbean

    Environmental sampling for this location

    Biodiversity
    Endemism 0.0034482758
    Endemism (Non-marine) 0.0
    Occurrence Density 0.024691358 frequency
    Shannon Diversity (H) 0.0 index
    Species Richness 0.012345679 frequency
    Distance
    Marspec Distance to Shore 2.0 km
    Marine
    Marspec Annual Range in Sea Surface Salinity 0.65999997 100 x psu
    Marspec Annual Range in Sea Surface Temperature 2.6699998 100 x degrees C
    Marspec Annual Variance in Sea Surface Salinity 4.2599998 100 x psu
    Marspec Annual Variance in Sea Surface Temperature 0.82019997 10,000 x degrees C
    Marspec Bathymetric Slope 1.3000001 10 x degrees
    Marspec Concavity 0.094000004 1000 x degrees
    Marspec East/West Aspect 0.25 radians
    Marspec Maximum Monthly Sea Surface Salinity 36.18 100 x psu
    Marspec Mean Annual Sea Surface Salinity 35.899998 100 x psu
    Marspec Mean Annual Sea Surface Temperature 27.83 100 x degrees C
    Marspec Minimum Monthly Sea Surface Salinity 35.52 100 x psu
    Marspec North/South Aspect -0.96 1 x radians
    Marspec Plan Curvature 0.0069999998 x 10000
    Marspec Profile Curvature -0.0023999999 x 10000
    Marspec Sea Surface Temperature of the coldest ice-free month 26.46 100 x degrees C
    Marspec Sea Surface Temperature of the warmest ice-free month 29.13 100 x degrees C