Biodiversity

Common coral reef fishes of Roatan

September 20, 2010, 4:25 pm

Introduction 

Roatan is on of the Bay Islands of Honduras located in the  Caribbean Sea.  Over 370 species of reef fishes have been identified during REEF Fish Surveys in Roatan.

25 most common species in Roatan

The following ranking is based on the results of 1464  REEF Fish Surveys covering a bottom time of 2008 hours and 3 minutes. (REEF Geographic Zone Report. June 3, 2009).  The species are ranked by the percentage of surveys in which a species was observed.  Abundance of fishes in REEF Fish Surveys are estimated using the following categories: 1- single =1 individual, 2-few = 2- 10 individuals, 3-many = 11-100 individuals, and 4-abundant > 100 individuals.  The mean numeric abundance (ranging from 1 - 4) was calculated for each species..  The mean abundance category is determined as follows: mean abundance category 0 - 1.49 = single, 1.50 - 1.99 = single-few, 2.0 - 2.49 = few, 2.5 - 2.99 = few-many, 3.0 - 3.49 = many, 3.5 -3.99 = many-abundant, and 4.0 = abundant.

caption Foureye butterflyfish—the most frequently observed reef fish in Roatan. ''Reef Fish Identification'', New World Publications © 1994.

caption Creole wrasse—the reef fish with the highest mean adundance in Roatan. phot by Florent Charpin, www.reefguide.org.

Species

% of surveys observed

Mean abundance category

 1. Foureye butterflyfish 

 89.7

 few

 2. Stoplight parrotfish

 89.6

 few-many

 3. Blue chromis

 88.0

 many

 4. Blue tang

 87.7

 few-many

 5. Yellowtail snapper

 86.5

 few-many

 6. Fairy basslet

 85.2

 many

 7. Bicolor damselfish

 85.2

 many

 8. Bluehead

 82.5

 many

 9. French grunt

 79.7

 many

 10. Yellowtail damselfish

 78.6

 few

 11. Yellowhead wrasse

 77.9

 few-many

 12. Indigo hamlet

 76.8

 few

 13. Sergeant major

 75.8

 few-many

 14. Rock beauty 

 74.7

 few

 15. Bar jack 

 72.9

 few

 16. Creole wrasse  

 72.3

 many-abundant

 17. Sharpnose puffer 

 71.3

 few

 18. threespot damselfish

 69.5

 few-many

 19. Redband parrotfish  

 69.1

 few-many

 20. Schoolmaster 

 68.6

 few

 21.  Spanish hogfish

 66.0

 few

 22.  Striped parrotfish

 65.8

 few-many

 23. Bluestriped grunt 

 65.5

 few

 24. Banded butterflyfish

 63.7

 few

 25.  Graysby  

 64.8

 few

References and Further Reading

Glossary

Citation

McGinley, M. (2010). Common coral reef fishes of Roatan. Retrieved from http://www.eoearth.org/view/article/151362

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