#5043 · 🪼 jellyfish, starfish, worms & co
Lollyfish Sea Cucumber
🇳🇱 Zwarte zeekomkommer ·Holothuria atra
📍 North Pacific Ocean, Kapaa, HI, US
📍 Îles Sous-le-Vent, PF
📍 Hawaii, US
📍 Parque Nacional Galápagos, EC-GA, EC
📍 Moo 7, Ao Nang, Mueang Krabi District, Krabi, Thailand
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Amaury Durbano · CC BY-NC 4.0
- 2. © Claire Goiran · CC BY-NC 4.0
- 3. © Claire Goiran · CC BY-NC 4.0
- 4. © Lilly Linden · CC BY-NC 4.0
- 5. © Alison Young · CC BY-NC 4.0
- 6. North Pacific Ocean, Kapaa, HI, US:© elksong · CC BY-NC 4.0
- 7. Îles Sous-le-Vent, PF:© grinnin · CC BY-NC 4.0
- 8. Hawaii, US:© Neal Kelso · CC BY 4.0
- 9. Parque Nacional Galápagos, EC-GA, EC:© tropentouga · CC BY-NC 4.0
- 10. Moo 7, Ao Nang, Mueang Krabi District, Krabi, Thailand:© jemweberq · CC BY-NC 4.0
what is it?
Holothuria atra , commonly known as the black sea cucumber or lollyfish , is a species of marine invertebrate in the family Holothuriidae. It was placed in the subgenus Halodeima by Pearson in 1914, making its full scientific name Holothuria (Halodeima) atra . It is the type species of the subgenus.
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 4,900 observations worldwide on iNaturalist.
- Scientifically named by Wilhelm Friedrich Jäger in 1833 (193 years ago).
fact sheet
- English
- Lollyfish Sea Cucumber
- Nederlands
- Zwarte zeekomkommer
- scientific name
- Holothuria atra
- class
- Holothuroidea
- order
- Holothuriida
- family
- Holothuriidae
- IUCN Red List
- LC · least concern
- sightings in NL
- 0
- sightings worldwide
- 4,900
- GBIF records in NL
- 1
- weight
- —
- length
- —
- lifespan
- —
- named
- 1833 by Wilhelm Friedrich Jäger
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
relatives· Holothuriidae
Sources: iNaturalist taxon 55946, Wikidata Q1058396, GBIF 2279167, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.