t
r
r
(C. lipernes and Gobiosoma
evelynae) were typically observed perching over live coral heads, although sharknose
gobies were also associated with basket sponges (Xestospongia muta). Both of these
gobiid species are carnivores. The sharknose is a prominent cleaner of fish
ectoparasite
d s i-criptic
r, t se spec s were
most pro
isua urveys. Yellow-hea and blu
wras
g
alassoma bifasciatum) are op ortunist
re
that fora
l
tes that be
expo
pon m chanic
distu
t
In term
c
Wall R
sen
sh co
ity
ly
ass
k
web. The t
ur most abundant fishes within belttran
s
, bico
amsel
iry basslet) and at least six
out of th
ed go
brow
mis
so
to
feed
l
l, 196
hus, t
ine zoopla ktivorous
assemblage represente
ely 77
he to
om unity surveyed with
belt-tra
t most of these fishes (ex
wrasse) live
close
e
ts t
mersal zooplankton plays
porta
r
m.
e swa ms of mys shrimp
e
p
the
sw
b
rus
natus
swarms of mysid
shr
s
ppea
impo
forag for zoop
ivorou
fishes. Fish eggs (planktonic) are also known to be important food for zooplanktivorous
fishes (Randall, 1967 .
dy by Rodriguez-Jeréz (2005) found very low
a
ankto
high
associated with the water column over the reefs of Isla Desecheo. Given the high
ooplanktivorous potential in the vicinity of the reef, the low zooplankton abundance
he sandy bottom, where it feeds upon small infaunal invertebrates. Its abundance in the
eef was surely underestimated by this study due to its transparent appearance and
elatively small size. Peppermint and sharknose gobies
s. Due to their small size an em
behavio he
ie
bably underestimated by our v
l s
d
e-head
ses (Halichoeres arnoti and Th
p
ic carnivo s
ge for infauna invertebra
come
sed u
e
al
rbances of the bo tom.
s of trophic stru ture, the SW
eef pre
ted a fi
mmun strong
ociated with a plan ton food
op fo
sects (blue chromi , creole wrasse
lor d
fish, fa
e top ten (includes also mask
by and
n chro
) are al known
primarily on zoop ankton (Randal
7). T
he comb d
n
d approximat
% of t
tal fish c m
in
nsects at 30 m. The fact tha
cept creole
to the benthic re f habitat, sugges hat de
an im
nt
ole in the trophic dynamics of this syste
Dens
r
id
s wer
resent below ledges and on crevices in
reef (Plate 21). It was common to find
arms of masked go ies (Coryphopte
perso
) associated with
imps. Thus, these mall shrimps a
r to be
rtant
e
lankt
s
) A recent stu
bundance of crustacean macrozoopl
n and
abundance of fish eggs
z
reported by Rodriguez-Jeréz (2005) may be explained on the basis of predation.
Nevertheless, the latter study did not sample close to the reef where demersal
zooplankton may be important.
128
r
r
(C. lipernes and Gobiosoma
evelynae) were typically observed perching over live coral heads, although sharknose
gobies were also associated with basket sponges (Xestospongia muta). Both of these
gobiid species are carnivores. The sharknose is a prominent cleaner of fish
ectoparasite
d s i-criptic
r, t se spec s were
most pro
isua urveys. Yellow-hea and blu
wras
g
alassoma bifasciatum) are op ortunist
re
that fora
l
tes that be
expo
pon m chanic
distu
t
In term
c
Wall R
sen
sh co
ity
ly
ass
k
web. The t
ur most abundant fishes within belttran
s
, bico
amsel
iry basslet) and at least six
out of th
ed go
brow
mis
so
to
feed
l
l, 196
hus, t
ine zoopla ktivorous
assemblage represente
ely 77
he to
om unity surveyed with
belt-tra
t most of these fishes (ex
wrasse) live
close
e
ts t
mersal zooplankton plays
porta
r
m.
e swa ms of mys shrimp
e
p
the
sw
b
rus
natus
swarms of mysid
shr
s
ppea
impo
forag for zoop
ivorou
fishes. Fish eggs (planktonic) are also known to be important food for zooplanktivorous
fishes (Randall, 1967 .
dy by Rodriguez-Jeréz (2005) found very low
a
ankto
high
associated with the water column over the reefs of Isla Desecheo. Given the high
ooplanktivorous potential in the vicinity of the reef, the low zooplankton abundance
he sandy bottom, where it feeds upon small infaunal invertebrates. Its abundance in the
eef was surely underestimated by this study due to its transparent appearance and
elatively small size. Peppermint and sharknose gobies
s. Due to their small size an em
behavio he
ie
bably underestimated by our v
l s
d
e-head
ses (Halichoeres arnoti and Th
p
ic carnivo s
ge for infauna invertebra
come
sed u
e
al
rbances of the bo tom.
s of trophic stru ture, the SW
eef pre
ted a fi
mmun strong
ociated with a plan ton food
op fo
sects (blue chromi , creole wrasse
lor d
fish, fa
e top ten (includes also mask
by and
n chro
) are al known
primarily on zoop ankton (Randal
7). T
he comb d
n
d approximat
% of t
tal fish c m
in
nsects at 30 m. The fact tha
cept creole
to the benthic re f habitat, sugges hat de
an im
nt
ole in the trophic dynamics of this syste
Dens
r
id
s wer
resent below ledges and on crevices in
reef (Plate 21). It was common to find
arms of masked go ies (Coryphopte
perso
) associated with
imps. Thus, these mall shrimps a
r to be
rtant
e
lankt
s
) A recent stu
bundance of crustacean macrozoopl
n and
abundance of fish eggs
z
reported by Rodriguez-Jeréz (2005) may be explained on the basis of predation.
Nevertheless, the latter study did not sample close to the reef where demersal
zooplankton may be important.
128