Invertebrates
Deepstaria
Deepstaria enigmatica · also called giant sheet jellyfish
Billowing through the deep sea like a vast, translucent sheet rather than a familiar jellyfish dome, a deepstaria captures prey not with stinging tentacles but by folding its enormous bell around it entirely.
Overview
The deepstaria, Deepstaria enigmatica, is a large, sheet-bodied jellyfish native to deep ocean habitat recorded across scattered locations worldwide. Its unusual engulfing feeding strategy, extreme physical fragility, and near-total reliance on submersible footage for scientific study make it one of the most visually distinctive and still-mysterious animals found anywhere in the deep sea.
A jellyfish that folds rather than stings
Instead of trailing the long stinging tentacles most people associate with jellyfish, the deepstaria relies on a completely different strategy, billowing its enormous sheet-like bell open and closed to fold unsuspecting prey inside, a method as visually striking as it is effective.
Status
Least Concern, though population trends remain almost entirely unknown given the extreme difficulty of surveying its deep-sea habitat.
Deepstaria: common questions
How does the deepstaria catch its food?
This species lacks the long trailing tentacles typical of many jellyfish, instead folding its vast, sheet-like bell around prey and engulfing it within an enclosed pouch rather than stinging it from a distance.
Why does the deepstaria look so different from a typical jellyfish?
This species has an enormous, thin, sheet-like bell rather than the familiar rounded dome shape carried by most jellyfish, a structure that can billow and fold dramatically as it drifts through deep water.
Where does the name Deepstaria come from?
This genus was named in honour of the research vessel Deepstar 4000, which was used during early observations of the species in its natural deep-sea habitat.
Why is the deepstaria so rarely studied up close?
This species is extremely fragile and can collapse or tear apart easily if removed from water, making it almost impossible to study using traditional collection methods, so most scientific knowledge comes from submersible footage instead.