What Animal Lives Where

Where has the Oithona atlantica been recorded?

Oithona atlantica occurrence evidence comes from 2,584 records in 19 countries and territories, from 1920 to 2025. Most records come from Australia.

CopepodaCyclopoidaOithonidaeOithona

Observation evidence passport

Evidence found

2,584 records across 19 countries and territories, 1920–2025.

Oithona atlantica · GBIF taxon key 5166645

Source coverage

CC0 GBIF Animalia occurrence facets, including country, month and year summaries.

Refreshed 2026-09-20. Inspect the taxon on GBIF.

What this means

The species has been recorded in the listed places in the stated source universe. Peak month: June.

12 months reach at least 10% of the peak facet count.

What this does not mean

repeated describes the record pattern, not a formal range, residency, abundance or conservation assessment.

A single record remains evidence of a recording, not proof that a population lives there.

Compare this animal’s observation pattern

When it is recorded

JFMAMJJASOND

Peak month: June. Records cluster in the months an animal is present and being looked for, so a summer peak can reflect observer effort as much as the animal.

Records over time

19202025

Recording effort has risen steeply almost everywhere since the 1990s, so a rising line usually shows more observers rather than more animals.

Where Oithona atlantica has been recorded

The countries below show where occurrence evidence exists for Oithona atlantica. They do not define a complete habitat range: survey effort differs by place, and historical or one-off records can appear alongside repeated presence.

PlaceRecordsShare
Australia 2,248
Sweden 50
Puerto Rico 49
Antarctica 20
Kiribati 18
American Samoa 14
United States 11
Niue 9
Tokelau 6
New Zealand 4
US Virgin Islands 4
Iceland 2
Portugal 2
Canada 1
United Kingdom 1
Greenland 1
Indonesia 1
Norway 1
Suriname 1

Related animals

Others in the family Oithonidae.

Oithona similis
8,736 records
Oithona nana
183 records
Oithona frigida
17 records
Record pattern: repeated
Repeated records across many years and months. This is inferred from how many years and months the animal appears in, not from a range map — treat it as evidence, not a formal assessment.