Region: TWA
Geographic Zones: GREATER ANTILLES & VIRGIN ISLANDS - Zone 6 » US Virgin Islands - Zone 64 » St John - Zone 6403 » Grass Cay - Zone 64030008
Survey Types: Species & Abundance, Species Only
Dates: 1/1/93 - 10/15/25
Total Surveys: 19
#Species Reported: 135
Average Species Reported on a Survey by Expert Surveyors: 47.91
Average Species Reported on a Survey by Novice Surveyors: 51.75
Survey Type: SA = Species & Abundance; SO = Species Only - How to interpret REEF data?
Click a column header to sort by that column. Hold shift and click to sort by multiple columns
Surveys | Bottom Time | |||||
---|---|---|---|---|---|---|
Expert | Novice | |||||
Code | Name | SA | SO | SA | SO | (H:M) |
6 | GREATER ANTILLES & VIRGIN ISLANDS | 11 | 0 | 8 | 0 | 15:21 |
64 | US Virgin Islands | 11 | 0 | 8 | 0 | 15:21 |
6403 | St John | 11 | 0 | 8 | 0 | 15:21 |
64030008 | Grass Cay | 11 | 0 | 8 | 0 | 15:21 |
TOTALS | 11 | 0 | 8 | 0 | 15:21 |
Species
%SF = Sighting Frequency; DEN = Density Score - How to interpret REEF data?
Bar length corresponds to sighting frequency
Color saturation corresponds to density score
Click + to display species image and additional information.
Bar length corresponds to sighting frequency
Color saturation corresponds to density score
Click + to display species image and additional information.
Bridled Goby Complex (Bridled/Sand-Canyon/Patch-Reef) - Goby
(C. glaucofraenum/C. venezuelae/C. tortugae)
(C. glaucofraenum/C. venezuelae/C. tortugae)
Little Tunny - Mackerel
(Euthynnus alletteratus)
(Euthynnus alletteratus)
Mutton Snapper - Snapper
(Lutjanus analis)
(Lutjanus analis)
Unidentified Silvery Fish (Silversides / Anchovies / Herrings) - Silvery Fishes - Silversides, Herrings, and Anchovies
(Atheriniformes sp./ Clupeiformes sp.)
(Atheriniformes sp./ Clupeiformes sp.)
Sea Turtle sp. (unidentified) - Sea Turtles
()
()
Sharksucker - Remora
(Echeneis naucrates)
(Echeneis naucrates)