4.3 Article

Cyanobacteria-shrimp colonies in the Mariana Islands

期刊

AQUATIC ECOLOGY
卷 55, 期 2, 页码 453-465

出版社

SPRINGER
DOI: 10.1007/s10452-021-09837-6

关键词

Moorena bouillonii; Alpheus frontalis; Symbiosis; Cyanobacteria; Snapping shrimp; Coral reefs

资金

  1. National Institutes of Health (NIH) under NCI [CA100851, GM107550]
  2. UCSD Regents Pre-Doctoral Fellowship
  3. Robert L. Cody Memorial Pre-Doctoral Fellowship
  4. Kaplan Trust CMBB Pre-Doctoral Fellowship
  5. NIH Training Program in Marine Biotechnology [T32GM067550]
  6. The Explorers Club Exploration Fund Grant

向作者/读者索取更多资源

This study investigated the ecological habits of cyanobacteria and shrimp symbiosis through various methods, revealing a considerable habitat specificity of these organisms on coral reefs. The presence of shrimp can alter the pigmentation and nutrient levels of cyanobacteria colonies, indicating a mutualistic relationship between the two species.
Cyanobacteria have multifaceted ecological roles on coral reefs. Moorena bouillonii, a chemically rich filamentous cyanobacterium, has been characterized as a pathogenic organism with an unusual ability to overgrow gorgonian corals, but little has been done to study its general growth habits or its unique association with the snapping shrimp Alpheus frontalis. Quantitative benthic surveys, and field and photographic observations were utilized to develop a better understanding of the ecology of these species, while growth experiments and nutrient analysis were performed to examine how this cyanobacterium may be benefiting from its shrimp symbiont. Colonies of M. bouillonii and A. frontalis displayed considerable habitat specificity in terms of occupied substrate. Although found to vary in abundance and density across survey sites and transects, M. bouillonii was consistently found to be thriving with A. frontalis within interstitial spaces on the reef. Removal of A. frontalis from cyanobacterial colonies in a laboratory experiment altered M. bouillonii pigmentation, whereas cyanobacteria-shrimp colonies in the field exhibited elevated nutrient levels compared to the surrounding seawater.

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