Deep Sea hydrothermal vent habitats support gravid Antarctic krill.
- Open access
Reproductively active female Antarctic krill utilize deep-sea hydrothermal vent habitats, revealing a previously unrecognized ecological role for these environments.
- Why it matters: Protecting Antarctic krill is vital for the Southern Ocean ecosystem's resilience, but key habitats for their critical life stages remain poorly understood, risking conservation efforts.
- What they did: The study analyzed 20 gravid females from Hook Ridge, examining microbial gut communities, stable isotopes, and trace metals, supported by ROV footage from Quest Caldera.
- The result: Findings demonstrate vent habitats are important for krill reproduction, emphasizing the need to include vent regions in marine protected area planning to ensure species survival.