Crown-of-thorns starfish - AIMS
2023年3月9日 · A young crown-of-thorns starfish on pink crustose coralline algae. Image: Maria Gomez Cabrera Spines and slime defend against predators – but not all. The crown-of-thorns starfish gets its name from the numerous sharp spines that cover its upper body. These spines are up to 4cm long and are effective in deterring many would-be predators.
Causes of crown-of-thorns starfish outbreaks - AIMS
2023年3月9日 · Crown-of-thorns starfish aggregate on a small coral bommie on the Great Barrier Reef. The Reef is facing more frequent disturbances, giving reefs less time and opportunity to recover. For example c limate change is increasing the frequency of marine heatwaves which cause coral bleaching.
Understanding crown-of-thorns starfish outbreaks - AIMS
The crown-of-thorns starfish (COTS) is a natural predator of corals in the Indo‐Pacific region, including the Great Barrier Reef (GBR). While they are native to the region, COTS are a leading cause of coral loss on the GBR.
Innovative approaches to controlling crown-of-thorns starfish
Natural chemical cues can lure or disperse starfish. Crown-of-thorns starfish control programs currently rely on divers searching for the starfish and then manually injecting with bile salts or vinegar. When in outbreak proportions, starfish on individual reefs sometimes number in the tens of thousands, making this task labour intensive.
Monitoring crown-of-thorns starfish - AIMS
2023年3月9日 · A crown-of-thorns starfish on Farquarson Reef in the Central Great Barrier Reef. Image: AIMS LTMP. This information is provided to the Great Barrier Reef Marine Park Authority to better understand the progress of outbreaks, and to support identifying reefs for targeted crowns-of-thorns starfish control measures.
Crown-of-thorns starfish - AIMS
2023年3月9日 · Crown-of-thorns starfish are a major cause of hard coral loss on the Great Barrier Reef. The coral-eating starfish is native to the Indo-Pacific region; however, they can occur in plague proportions, consuming vast swathes of hard coral during outbreaks. Crown-of-thorns starfish are one of several pressures facing the Reef.
The Triton that ate the Crown-of-Thorns - AIMS
2014年12月4日 · The crown-of-thorns starfish is known for its incredible appetite for coral and the damage that it causes on coral reefs. Dr Mike Hall , Principal Research Scientist at the Australian Institute of Marine Science, explains how the rarity of a sea snail may be one reason why the crown-of-thorns is now such a threat to the survival of the Great ...
Understanding crown-of-thorns starfish outbreaks - AIMS
2023年9月7日 · The crown-of-thorns starfish lifecycle With help of SeaSim staff, we have developed a flow through larval culture system which allows raising larvae under more natural conditions. Larvae cultured in the SeaSim also assist in other COTS research, such as developing eDNA approaches to monitor COTS larvae and adults.
Fish faeces reveals which species eat crown-of-thorns - AIMS
2020年5月18日 · Crown-of-thorns starfish are on the menu for many more fish species than previously suspected, an investigation using fish poo and gut goo reveals. The finding suggests that some fish, including popular eating and aquarium species, might have a role to play in keeping the destructive pest population under control.
Crown-of-thorns starfish distribution - AIMS
Monitoring crown-of-thorns starfish. Causes of outbreaks. Innovative approaches to controlling COTS.