Dataset

Occurrence records of southern African aquatic biodiversity

AfrOBIS MeasurementOrFact Open in mapper Explore occurrences

Specimen-records (of physical specimens) of fishes, mostly from southern Africa and surrounding oceans, but also from elsewhere in the world.

Citation: SAIAB (2016): Specimen-records of preserved specimens in the National Collection of Fishes of South Africa. v1.2. The South African Institute for Aquatic Biodiversity. Dataset/Occurrence. http://ipt.saiab.ac.za/resource?r=saiab&v=1.2

Published: May 09, 2024 at 13:15

URL: http://ipt.saiab.ac.za/resource?r=saiab

190,280
occurrence records
190,280
measurements and facts
4,771
taxa
4,880
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 188,509
99.1%
decimalLatitude 48,576
25.5%
decimalLongitude 48,583
25.5%
eventDate 32,032
16.8%
maximumDepthInMeters 166,425
87.5%
minimumDepthInMeters 165,140 1
86.8%
scientificName 31,668
16.6%
scientificNameID 32,895
17.3%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_DEPTH 156,758
82.4%
ON_LAND 102,216
53.7%
NOT_MARINE 67,035
35.2%
NO_COORD 48,585
25.5%
NO_MATCH 32,730
17.2%
DEPTH_EXCEEDS_BATH 11,754
6.2%
NO_ACCEPTED_NAME 7,989
4.2%
MARINE_UNSURE 7,291
3.8%
DEPTH_OUT_OF_RANGE 1
0.0%

Measurement types

DNA derived data