Journal
CORAL REEFS
Volume 34, Issue 3, Pages 803-806Publisher
SPRINGER
DOI: 10.1007/s00338-015-1293-z
Keywords
IUCN Red List; Halichoeres socialis; Caribbean; Coral reef decline
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Funding
- California Academy of Sciences
- Smithsonian Institution
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Caribbean coral reef ecosystems are at the forefront of a global decline and are now facing a new threat: elimination of vulnerable species by the invasive lionfish (Pterois spp.). In addition to being threatened by habitat destruction and pollution, the critically endangered social wrasse (Halichoeres socialis), endemic to Belize's inner barrier reef, has a combination of biological traits (small size, schooling, and hovering behavior) that makes it a target for the invasive lionfish. Based on stomach content analyses, this small fish comprises almost half of the lionfish diet at the inner barrier reef in Belize. The combination of lionfish predation, limited range, and ongoing habitat destruction makes the social wrasse the most threatened coral reef fish in the world. Other species with small range and similar traits occur elsewhere in the Caribbean and face similar risks.
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