iimeem:

AECD~3446

-134TABLE

4

Comparison for Eberiru, Engebi, and Runit, Eniwetok
Atoll of activity of plankton-feeders with non-planktonfeeders.
Plankton-feeders

Clam, Tridacnids

"

"

"

18

Oyster Chama

60

"

135

"

"

Ostrea

1, 600

Unidentified

,

Rydroids, Misc.

12, 000

Sponges
"

e

"

2, 200

Oysters, Isognomon

10 360

,CH]

"

2, 100

"

"

8, 400
/
>

ty

"

2, 000

""

"

"

Pinctada

"“

160

—e—

"

"

"

a

it

“

.

"

6, 900

680

"

400

Tunicate, compound

0

"

8, 400

Non-plankton-feeders
Crabs, Ghost, Ocypode

i"

58

«

tt
tt

—
"

"
1

1

"

et

Mise

we

we

"

"

'

tt

CT]

"

"t

3

.

"

"

tt

0

tt

Snail, sea, Nerita

_9

u

"

250
52
0

un” large brown Actinopy

a4

"

small tan

200

740
1

330

"

"

¢

oe

t

1, 100

"

rT)

"

2, 000

680

* Y60

"

Dardanus

360
480

"

TY

i,

3

Cucumber, black, Holothuria
"
tt
——1r———~
"
"
"
"
"
"

"

"

"

Hermit, small
"
4

Shrimp

"

"

900

"
"
t

"

Cypraea

Coenobita

—————

"

‘"

6

1, 500

"

_n.

Snail, Vasum
i

280

"
i"

"

"

"

Purpura

Pterocera ss

i‘
-

rochus
Cerithium
Drupa

"

Comis

"

"

"
"
Strombus
Urchin, slate,Heterocentrotus
'

Urchin, Echinometra

"

"

"

n

"
TT]

"

120

"

Eucidaris

64

tt

sma

240

, 300

Snail, scorpion

18

200

12, 000

Star-brittle, Ophiuroid

iB

78

‘"

Starfish

15
160

i
Eriphia

"

Shrimp

10

32

echinus

Urchin, heart Brissus

NOT Py

TNTVEDSTDV

yoo
mo.

0

norm

ARCEHTY?

Select target paragraph3