N
'-I
'"
Table 1. Distribution of selected species of hydromedusae in different areas of the ocean
Environmental factors
Salinity
TemperaOxygen
Boundary Only in
Only
in
Indian
Tropical
Upwelling Antarctic
controlled ture
controlled layer
Bay of
Arabian
Ocean
Equatorial
&
SubSpecies
controlled
Bengal
Sea
Central
System
Antarctic
Water
System
Ectopleura sacculifera
+
+
+
Euphysilla pyramidata
+
+
Euphysora annu/ata
+
+
+
::::
E.
bigelowi
+
+
~
E. furcata
+
+
+
Vannuccia forbesi
high
+ food
z
c::
Zanclea costata
+
+
+
n
n
Z. dubia
high
+ food
+
+
-
II>
Z. orienta/is
+
+
::l
Q..
Zancleopsis tentaculata
+
+
+
~
Z. gotoi
+
+
+
+
~
Cytaeis tetrastyla
widely, distributed, tropical, subtropical, temperature, surface
<:
>
Bougainvillia falva
+
+

B. playtygaster
widely, distributed, tropical, subtropical, surface
+
Koellikerina octonemalis
+
+
+
Amphinema rugosum
+
+
+
+
Leuckartiara octona
+
+
+
+
Merga violacea
+
Pandea conica
+
+
Pandeopsis scutigera
+
Protiara tropica
+
+
Heterotiara minor
+
+
Laodicea {i;iana
+
+
+
+
+