Cetaceans sightings by boat 2010-2017
Mare Nostrum

Dataset credit

Mare Nostrum NGO, National Institute for Marine Research and Development “Grigore Antipa”


Primary contact Marian Paiu Mare Nostrum NGO
Data entry Ei Fujioka Duke University



In the Black Sea the cetaceans are represented by three species, Phocoena phocoena relicta, Tursiops truncatus ponticus and Delphinus delphis ponticus.
The main threat and cause of decline for the Black Sea dolphins are the fishing nets, so-called bycatches.
For protection of the dolphin populations from Romanian Black Sea area in conformity with the objectives of the „National Action Plan for Conservation of Dolphins” and „Agreement on the Conservation of Cetaceans of the Black Sea, Mediterranean Sea and contiguous Atlantic Area”, with finance from European Union true the Sectorial Operational Programme – Environment, NGO "Mare Nostrum” started a series of activities in partenership with National Institute for Marine Research and Development „Grigore Antipa” Constanța, Danube Delta Biosphere Reserve Authority, National Agency for Fishing and Aquaculture,
Natural Science Museum Complex „Dolphinarium” Constanța, Border Police Inspectorate of Constanța County.Among these activities we will present in the following study the
situation of strandings and by-catch of dolphins in the Romanian costal waters during 2010 and 2011. The datas were collected from the entire Romanian coast, from Sulina to Vama Veche.
During the study more than 100 expeditions were done by land and water along the coast. Data collected recorded over 140 dead cetaceans and 1 alive; the maine cause of this mortality was due to drowning in the fishing nets.
To reduce the number of bycatched dolphins we are studing the effect of pingers (ADD/Acustic deterent devices) on cetaceans and fishes. In this order data were collected from five fishing units (Sulina, Vadu, Corbu, Midia, Costinești) equipped with these technologies. This measure of protecting the dolphins from the fishing nets is proposed also in ACCOBAMS.


Collecting data regarding sightings of the Black Sea cetacean at the Romanian coast.

Supplemental information

The dataset is not available for download until the provider publishes the journal article on the data.

[UPDATE] 2017 data were added on 2018-02-28
[UPDATE] 2015 data were added on 2016-03-03
[UPDATE] 2014 data were added on 2015-01-27
[UPDATE] 2013 data were added on 2013-02-26
[UPDATE] 2012 data were added on 2013-02-27

Observations were made by the border police (20 m boat), or onboard small boats between 5-12 m long.
Supplemental shore-based observations are abailable: Cetaceans along Romanian Black Sea Coast from shore 2010-2011

Additional references:
Romulus-Marian PAIU, Manuela Diana SAMARGIU, Mihaela CÂNDEA, Eugen ANTON. 2011. New data on bycatch and strandings of the Black Sea cetacean situation in the Romanian coast, and measures to limit bycatch deaths/fatalities. Book of abstracts at the Annual Zoological Congres of. 97


Paiu Romulus-Marian et all. 2013. Date privind situatia cetaceelor esuate, capturilor accidentale in plasele de pescuit si a celor ce populeaza apele romanesti ale Marii Negre, in perioada 2010-2012. Researches Marines.
Paiu Romulus-Marian. 2010-2015. Annual report in the frame of Monitoring and Conservation of Black Sea Dolphins Program.
Paiu Romulus-Marian. 2014. Annual report in the frame of Monitoring and Conservation of Black Sea Dolphins Program.



Attributes described below represent those in the original dataset provided by the provider.
Only minimum required attributes are visible and downlodable online. Other attributes may be obtained upon provider's permission unless otherwise noted below.

This section explains attributes included in the original dataset. OBIS-SEAMAP restricts the attributes available to the public to date/time, lat/lon and species names/counts only. Should you need other attributes described here, you are encouraged to contact the data provider.

Attributes in dataset provided

Attribute (table column)Description
oidUnique ID number (generated by OBIS-SEAMAP)
rec_idRecord ID
lat_lon_origLatitude and longitude originally provided
latitudeLatitude in decimal degrees
longitudeLongitude in decimal degrees
sp_obsSpecies name
sp_tsnTaxonomic Serial Number added by OBIS-SEAMAP
num_animals_origGroup size in original text
obs_countGroup size
date_origDate in original format
obs_dateObservation date
obs_timeObservation time. No seconds. Some records do not have time recorded. See notes.
platformPlatform: boat or shore (this dataset contains boat sightings only)
geomGeometry field added by OBIS-SEAMAP
Marine mammals383
Sea turtles0
Rays and sharks0
Other species0
Non spatial0
Non species0
Date, Begin2010-03-27
Date, End2017-09-20
Temporal prec.111110
Latitude43.74 - 45.14
Longitude28.59 - 30.27
Coord. prec.5 decimal digits
Data typeAnimal sighting
Contr. throughACCOBAMS
Sharing policy Permission required
Also availalbe from None
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See metadata in FGDC XML
See download history / statistics