Common coral reef fishes of St. Thomas

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Content Cover Image

Yellowtail snapper (Ocyurus chrysurus) (By Fred Hsu (Wikipedia:User:Fredhsu on en.wikipedia) (Photo taken and uploaded by user) (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/), via Wikimedia Commons)

Introduction St. Thomas isoneofthe U. S. Virgin Islandsin the Caribbean Sea (Common coral reef fishes of St. Thomas) . Over320 species of reef fishes have been identified during REEF Fish Surveys in St. Thomas.

25 most common species in St. Thomas

300px-Blue tang.jpg Blue tang—the most frequently observed reef fish in St. Thomas. Reef Fish Identification, New World Publications © 1994. The following ranking is based on the results of975REEF Fish Surveyscovering a bottom time of977 hours and7 minutes.(REEF Geographic Zone Report. June 4, 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.

Bluehead.jpg Bluehead—the reef fish with the highest mean abundance in St. Thomas. Reef Fish Identification, New World Publications © 1994. 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.

Species

% of surveys observed

Mean abundance category

1. Blue tang

96.9

few-many

2. Bluehead

94.6

many-abundant

3. Bicolor damselfish

91.7

many

4. Foureye butterflyfish

91.1

few

5. Yellowtail snapper

90.4

few-many

6. Stooplight parrotfish

90.3

few-many

7. Ocean surgeonfish

88.8

few-many

8. Redband parrotfish

87.7

few-many

9. French grunt

87.4

few-many

10. Sergeant major

84.7

many

11. Yellowhead wrasse

84.6

few-many

12. Brown chromis

83.9

many

13. Bar jack

83.3

few-many

14. Graysby

82.5

few

15. Longspine squirrelfish

81.3

few

16. Spotted goatfish

80.9

few

17. Yellowtail damselfish

80.9

few

18. Yellow goatfish

79.9

few-many

19. Sharpnose puffer

79.3

few

20.Blue chromis

78.9

few-many

21. Fairy basslet

78.2

few-many

22. Beaugregory

74.1

few

23. Spanish hogfish

73.3

few

24. Doctorfish

73.2

few

25. Princess parrotfish

72.8

few

References and Further Reading

Citation

McGinley, M. (2014). Common coral reef fishes of St. Thomas. Retrieved from http://editors.eol.org/eoearth/wiki/Common_coral_reef_fishes_of_St._Thomas