Where has the helmeted waterflea been recorded?

Daphnia cucullata occurrence evidence comes from 137 records in 7 countries and territories, from 1982 to 2024. Most records come from Sweden.

• 137 records
• 7 places
• 21 years recorded
• Branchiopoda class

Observation evidence passport

Compare this animal’s observation pattern

When it is recorded

Peak month: August. 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

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

Where helmeted waterflea has been recorded

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