Common coral reef fishes of St. Thomas
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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)
Contents
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
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—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 |
|
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
- Reef Environmental Education Foundation
- Geographic Zone Report- 06-04-2009
- REEF Fish Gallery
- Humann, P. and N. Deloach (Editor), 1994. Reef Fish Identification: Florida, Caribbean, Bahamas. New World Publications, Inc. Jacksonville, FL. ISBN: 1878348078