🐾 What Animal Lives Where

Where does the Mesocalanus tenuicornis live?

Mesocalanus tenuicornis has 29,662 records in 44 countries and territories, from 1911 to 2025. Most records come from Japan.

AnimaliaArthropodaCopepodaCalanoidaCalanidaeMesocalanus

When it is recorded

JFMAMJJASOND

Peak month: May. 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.

Where it is recorded

PlaceRecordsShare
Japan 14,559
Italy 4,031
Portugal 1,128
France 635
Spain 404
Canada 333
Greece 279
New Zealand 172
Croatia 122
Ireland 113
Russia 113
United States 111
Tunisia 92
Chile 75
United Kingdom 74
Australia 43
Mexico 34
Lebanon 24
Faroe Islands 23
Iceland 22
Norway 21
South Korea 20
Svalbard and Jan Mayen 16
Venezuela 16
Algeria 15
Malta 12
Madagascar 9
ZZ 9
Greenland 5
Taiwan 5
Indonesia 2
Namibia 2
Norfolk Island 2
French Polynesia 2
Suriname 2
Bermuda 1
Micronesia 1
Martinique 1
Mauritius 1
Netherlands 1

Showing the top 40 of 44 places.

Related animals

Others in the family Calanidae.

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Calanus hyperboreus
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Status from the records: resident
Recorded across many years and months — an established presence. 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.