Acartia clausi

Giesbrecht, 1889 · species

image placeholder — illustration coming later

Animalia/Arthropoda/Copepoda/Calanoida/Acartiidae/Acartia

At a glance

Occurrence records60 687

Data sources7

Biological traits2

DNA specimens79

eDNA detections190

Sources7 archives

Databases and archives Acartia clausi's data was compiled from.

WikipediaWikimedia Foundation3 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility60 687 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI190 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics79 specimens↗

Open Tree of LifeOpenTreephylogeny backbone↗

GLoBIGlobal Biotic Interactionsbiotic interactions↗

On this page5 sections

Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.

NarrativeWikipediaarticle

Traits & measurements1 literature sources2 traits

Occurrence & distributionGBIF60 687 records

Environmental DNA9 datasets · 12 countries190 detections

DNA & barcodingBOLD79 specimens

01Narrative

Acartia clausi is a species of marine copepod belonging to the family Acartiidae. This species was previously thought to have a worldwide distribution but recent research has restricted its range to coastal regions of the north-east Atlantic Ocean as far north as Iceland, the Mediterranean Sea and the Black Sea, with specimens from other regions assigned to different species. At just over 1 mm in length, this is a generally larger animal than its closest congeners. It can also be distinguished by the row of large spines at the rear margin of the body segment known as the metasome.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesSeaLifeBase

Habitat & environment2

Habitat brackishyes

Habitat zonedemersal

05DNA & barcoding79 specimens

A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Acartia clausi has left across the world's sequence archives.

At a glance

DNA specimens79

BINs4

Marker genes2

eDNA detections190

Countries12

The DNA barcodethe species' typical barcode, built from every sequenced specimen

COI-5P655 bp consensus66 specimens

ACGT

▸ drag or hover over the strip to read any position — letter and how much it varies

Violet ticks below the strip = positions where individuals differ; flat = the species' unchanging signature. 80% of positions are identical in every specimen.

Where individuals differ — all 133 variable positions, in barcode order

12Tmostly conserved

14Gmostly conserved

17Cmostly conserved

20Gmostly conserved

23Gmostly conserved

29Avariable

38Gmostly conserved

41Avariable

44Avariable

47Tvariable

56Gmostly conserved

59Tvariable

62Cmostly conserved

68Amostly conserved

71Avariable

72Tvariable

74Gvariable

77Cvariable

80Gvariable

83Cvariable

86Gvariable

92Gvariable

104Tmostly conserved

110Tmostly conserved

116Tmostly conserved

122Avariable

131Tvariable

137Avariable

161Gvariable

167Gvariable

171Tvariable

179Amostly conserved

182Tvariable

188Tvariable

195Tmostly conserved

203Tmostly conserved

206Tvariable

210Tvariable

215Tvariable

218Avariable

221Gvariable

224Tmostly conserved

230Avariable

233Tvariable

236Tmostly conserved

239Gvariable

254Avariable

260Gmostly conserved

263Tvariable

264Tvariable

267Tvariable

269Avariable

272Avariable

275Gvariable

279Avariable

281Tmostly conserved

284Avariable

285Tvariable

287Avariable

305Avariable

308Gvariable

311Gvariable

314Tvariable

320Gvariable

323Avariable

329Amostly conserved

332Tvariable

338Tmostly conserved

345Cmostly conserved

350Cvariable

362Tvariable

368Gvariable

371Tvariable

377Tvariable

380Avariable

386Tvariable

398Tvariable

399Tvariable

401Avariable

404Cvariable

407Avariable

410Tvariable

419Tvariable

422Avariable

426Cvariable

440Tvariable

446Tmostly conserved

449Avariable

452Cvariable

455Tvariable

458Gvariable

461Tvariable

462Tvariable

464Gvariable

476Tvariable

480Tvariable

485Tvariable

498Cvariable

500Tvariable

506Avariable

509Avariable

512Tvariable

516Gvariable

521Cvariable

534Tvariable

539Cmostly conserved

540Cvariable

545Avariable

546Cvariable

548Avariable

551Cvariable

554Amostly conserved

560Tvariable

563Tvariable

569Tmostly conserved

576Tvariable

578Gvariable

579Tvariable

581Avariable

584Gvariable

+13 more variable positions not shown

CTTTATATTTATTGGCCGGGATGTGGTCAGGGATAGTGGGAACAGGTTTAAGAATGATTATCCGAATAGAATTGGGCCAGGCCGGGAAAT …

Variant network

Each circle is a barcode variant; bigger = more specimens, colour = region. Lines join the most similar variants and the tick marks count the mutations between them — a tight cluster is one “dialect”, a long line a more divergent lineage. Click a circle to list its actual specimens.

Diversity (π)8.0%

Haplotypes14

BINs3

Most divergent pair18.8%

Europe

Marker genes sequenced

★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.

★COI-5P★COI-LIKE

animal barcode

08Occurrence & distribution

Record type60 687 records

Wild obs. + sensor17 983

Museum / vouchered27 062

Other15 642

Origin

Native25

Range

Area of Occupancy AOO11 004 km²

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

Coordinate accuracy99% within 1 km

≤100 m 59≤1 km 98≤10 km 2

159 georeferenced · 17 824 without coordinates

Open the mapobservation + sensor17 983

Museum / Voucheredphysical evidence

Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.

Coordinate accuracy79% within 1 km

≤100 m 484≤1 km 52≤10 km 138>10 km 1

675 georeferenced · 26 387 without coordinates

Open the institutions mapphysical evidence27 062

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

10Collections & institutions

Holding institutions9 of 39 geolocated

Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.

Institution	Specimens
NIMRDlocation not on record	17 050
730location not on record	3 998
AZTIlocation not on record	757
Vrije Universiteit Brussellocation not on record	438
UKRSCESlocation not on record	436
IPMAlocation not on record	431
ONUlocation not on record	360
DASSHlocation not on record	220
CSIRO, Australialocation not on record	135
Stockholm, SE	104
ArcODlocation not on record	93
Bergen, NO	65
NTNU-VMlocation not on record	64
ZWIlocation not on record	36
Johanna Bergkvistlocation not on record	32
Istituto di Ricerca sulle acque di Verbanialocation not on record	27
Citadel Hill, GB	23
Centro Interdisciplinario de Ciencias Marinas, Instituto Politécnico Nacionallocation not on record	11
Washington, US	10
Norwegian Institute of Marine Researchlocation not on record	6
Cantablocation not on record	4
The Atlantic reference Centrelocation not on record	4
Centre for Biodiversity Genomicslocation not on record	4
ARMS-MBONlocation not on record	4
DOI/NPS, Russel Cave National Monumentlocation not on record	3
CASlocation not on record	2
Istituto di Scienze Marine di Venezialocation not on record	2
South Kensington, GB	2
Stockholm, SE	1
PNHSlocation not on record	1
University of Oslo (UiO)location not on record	1
CSIRO Oceans and Atmosphere, Australialocation not on record	1
Gotland Universitylocation not on record	1
New Haven, US	1
IHSMlocation not on record	1
Saint John, CA	1
Gothenburg, SE	1
Museums Victorialocation not on record	1
UGentlocation not on record	1

39 institutions · 24 332 of 27 062 vouchered records shown · 2 727 without an institution code

09Environmental DNA190 detections

Where the DNA of Acartia clausi was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.

Signal

Detections DNA found190

Studies independent surveys9

Countries12

Verifiable raw sequence linked126

Signal confidence: moderateweighed across independent studies, places & mapped detections

Where its DNA was found

0 of 190 detections have coordinates

Open the map12 countries0

Marine Protected Area; protected; 9.2 - Subt…Industrial port; industrial; 9.4 - Subtidal …Marina/Harbour; semi-industrial; 9.6 - Subti…

How strong is each trace?

DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.

Modelled climatemodelled

−15°Ctemperature across detection sites+40°C

Temperature median13.4 °C 8.70–17.2

Seasonal swing summer↔winter16.1 °C

Max temp (day)14.9 °C 10.6–20.0

Min temp (night)12.2 °C 3.20–15.7

Precipitation74.2 mm/mo 42.3–98.7

Air humidity62.7 % 58.0–65.2

Moisture balance46.0 mm/mo

Vapour deficit594 Pa 389–754

Wind speed6.00 m/s

Cloud cover49.1 % 36.5–53.9

CHELSA 1981–2010, ~9 km grid, at location & month of 181 detection points · median with p10–p90 · reflects where sampling happened, not only the true niche

How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.

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Acartia clausi

At a glance

Sources7 archives

Habitat & environment2

At a glance

Record type60 687 records

Origin

Range

Wildobservation + sensor

Museum / Voucheredphysical evidence

Wildobservation + sensor

Holding institutions9 of 39 geolocated

Signal

Where its DNA was found

How strong is each trace?

Modelled climatemodelled

Record type60 687 records