T
k Reef. Percent substrate cover by sessile-benthic categories from video5 -40 m
d from Garc
2004)
S
RANSECT
3
4
5
MEAN
TURF ALGAE
58.00
56.40
60.60
61.00
51.20
57.44
able 3. Black Jac
transects at 3
depth. Modifie
ía-Sais et al. (
UBSTRATE CATEGORIES
T
S
1
2
LIVE CORAL
25
.00
26.
40
FLESHY ALGAE
7
7.00
5.2
2.
SPONGES
7.40
6.40
4.80
5.40
4.80
5.76
ABIOTIC
1.20
1.80
0.60
2.00
0.60
1.24
CALCAREOUS ALGAE
1.00
0.20
0.00
0.00
0.20
0.28
GORGONIANS (# colonies)
1
2
1
2
2
2
CORAL SPECIES
1
2
3
4
5
MEAN
.00
25.00
27
40
.40
28.76
.40
10.20
0
80
6.52
Montastrea annularis 18.20
19.20
21.00
17.00
34.00
21.88
Porites astreoides
1.40
1.60
1.20
0.60
Agaricia grahamae
2.00
1.00
1.20
4.60
4.20
1.80
0.00
1.76
Montastrea cavernosa
2.40
0.00
2.00
2.80
0.80
1.60
4
.08
C
ia
s
f
s, Stephanocoenia michilini, Millepora squamosa, M.
alcicornis, Antipathes caribbeana, Stichopathes lutkeni
Agaricia sp.
0.20
0
0.60
0.80
1.20
0.56
Diploria strigosa
0.00
1.40
0.40
0.00
0.00
0.36
Mycetophyllia ferox
0.00
1.20
0.00
0.00
0.00
0.2
Siderastrea radians
0.00
0.40
0.40
0.00
0.20
0.20
Agaricia agaricites
0.60
0.00
0.00
0.20
0.00
0.16
Madracis decactis
0.20
0.20
0.00
0.00
0.00
0.08
Isophyllia sinuosa
0.00
0.00
0.20
0.20
0.00
0
Scolymia cubensis
0.00
0.00
0.00
0.20
0.00
0.04
oral Species Outside Transects: Agaricia grahame, Diploria strigosa, D. labyrinthyformis, Dichocoen
tockesii, Leptoseris cucullata, Meandrina meandrites, Mycetophyllia lamarkiana, M. aliciae, Eusmilia
astigiata, Siderastrea siderea, Colpophyllia natan
w
A
ack Reef, 33 of which were observed
within belt-transect areas (Table 4). The mean abundance
30 m
2
a
spe
as 16. An assemblage of three species
represented 95 % of the total fish abundance within beltdominant species was the Ma
phopterus personatus) with a mean
a
/30 m
2
. This is the highest density ever reported for a demersal fish
w
m a reef surveyed in Puerto
ollowing in abundance were the
C
lepticus pa
nd/30 m
e B
mis
is
c
nd/30 m
2
. The fish trophic structure at Black Jack Reef appears to be
s
e pla
he th
t ab
fish spe
within
b
lankto
ssemblage plays a key ecological function as
forage for an abundant and diverse pelagic reef fish community, including top predators,
ere mostly represented by colonies of small size.
total of 54 reef fishes were identified from Black J
of fishes was 549.3 Ind/
nd the mean number of
cies per transect w
transects. The numerically
sked Goby (Cory
bundance of 390 Ind
ithin a belt-transect fro
Rico. F
reole Wrasse (C
rrae) with 93.0 I
2 and th
lue Chro
(Chrom
yanea) with 36.7 I
trongly influenced by th
nkton food web. T
ree mos
undant
cies
elt-transects are zoop
n feeders. This a
28
k Reef. Percent substrate cover by sessile-benthic categories from video5 -40 m
d from Garc
2004)
S
RANSECT
3
4
5
MEAN
TURF ALGAE
58.00
56.40
60.60
61.00
51.20
57.44
able 3. Black Jac
transects at 3
depth. Modifie
ía-Sais et al. (
UBSTRATE CATEGORIES
T
S
1
2
LIVE CORAL
25
.00
26.
40
FLESHY ALGAE
7
7.00
5.2
2.
SPONGES
7.40
6.40
4.80
5.40
4.80
5.76
ABIOTIC
1.20
1.80
0.60
2.00
0.60
1.24
CALCAREOUS ALGAE
1.00
0.20
0.00
0.00
0.20
0.28
GORGONIANS (# colonies)
1
2
1
2
2
2
CORAL SPECIES
1
2
3
4
5
MEAN
.00
25.00
27
40
.40
28.76
.40
10.20
0
80
6.52
Montastrea annularis 18.20
19.20
21.00
17.00
34.00
21.88
Porites astreoides
1.40
1.60
1.20
0.60
Agaricia grahamae
2.00
1.00
1.20
4.60
4.20
1.80
0.00
1.76
Montastrea cavernosa
2.40
0.00
2.00
2.80
0.80
1.60
4
.08
C
ia
s
f
s, Stephanocoenia michilini, Millepora squamosa, M.
alcicornis, Antipathes caribbeana, Stichopathes lutkeni
Agaricia sp.
0.20
0
0.60
0.80
1.20
0.56
Diploria strigosa
0.00
1.40
0.40
0.00
0.00
0.36
Mycetophyllia ferox
0.00
1.20
0.00
0.00
0.00
0.2
Siderastrea radians
0.00
0.40
0.40
0.00
0.20
0.20
Agaricia agaricites
0.60
0.00
0.00
0.20
0.00
0.16
Madracis decactis
0.20
0.20
0.00
0.00
0.00
0.08
Isophyllia sinuosa
0.00
0.00
0.20
0.20
0.00
0
Scolymia cubensis
0.00
0.00
0.00
0.20
0.00
0.04
oral Species Outside Transects: Agaricia grahame, Diploria strigosa, D. labyrinthyformis, Dichocoen
tockesii, Leptoseris cucullata, Meandrina meandrites, Mycetophyllia lamarkiana, M. aliciae, Eusmilia
astigiata, Siderastrea siderea, Colpophyllia natan
w
A
ack Reef, 33 of which were observed
within belt-transect areas (Table 4). The mean abundance
30 m
2
a
spe
as 16. An assemblage of three species
represented 95 % of the total fish abundance within beltdominant species was the Ma
phopterus personatus) with a mean
a
/30 m
2
. This is the highest density ever reported for a demersal fish
w
m a reef surveyed in Puerto
ollowing in abundance were the
C
lepticus pa
nd/30 m
e B
mis
is
c
nd/30 m
2
. The fish trophic structure at Black Jack Reef appears to be
s
e pla
he th
t ab
fish spe
within
b
lankto
ssemblage plays a key ecological function as
forage for an abundant and diverse pelagic reef fish community, including top predators,
ere mostly represented by colonies of small size.
total of 54 reef fishes were identified from Black J
of fishes was 549.3 Ind/
nd the mean number of
cies per transect w
transects. The numerically
sked Goby (Cory
bundance of 390 Ind
ithin a belt-transect fro
Rico. F
reole Wrasse (C
rrae) with 93.0 I
2 and th
lue Chro
(Chrom
yanea) with 36.7 I
trongly influenced by th
nkton food web. T
ree mos
undant
cies
elt-transects are zoop
n feeders. This a
28
