<s>
El-Fish	B-Application
is	O
a	O
fish	O
and	O
fish-tank	O
simulator	O
and	O
software	B-Application
toy	I-Application
developed	O
by	O
Russian	O
game	O
developer	O
AnimaTek	O
,	O
with	O
Maxis	O
providing	O
development	O
advice	O
.	O
</s>
<s>
Each	O
fish	O
in	O
El-Fish	B-Application
has	O
a	O
unique	O
Roe	O
,	O
similar	O
to	O
the	O
genome	O
.	O
</s>
<s>
Once	O
fish	O
are	O
created	O
,	O
El-Fish	B-Application
will	O
algorithmically	O
generate	O
up	O
to	O
256	O
animation	O
frames	O
so	O
that	O
the	O
fish	O
will	O
appear	O
to	O
swim	O
smoothly	O
around	O
the	O
tank	O
.	O
</s>
<s>
El-Fish	B-Application
includes	O
a	O
fractal	B-Application
based	O
plant	O
generator	O
for	O
creating	O
unique	O
aquarium	O
plants	O
.	O
</s>
<s>
The	O
tank	O
simulator	O
can	O
run	O
as	O
a	O
memory-resident	O
program	O
in	O
MS-DOS	B-Application
,	O
making	O
it	O
a	O
screensaver	B-General_Concept
.	O
</s>
<s>
Multiple	O
tanks	O
can	O
be	O
displayed	O
via	O
El-Fish	B-Application
'	O
s	O
slideshow	O
feature	O
.	O
</s>
<s>
El-Fish	B-Application
was	O
created	O
by	O
Vladimir	O
Pokhilko	O
,	O
Ph.D.	O
and	O
Alexey	O
Pajitnov	O
(	O
the	O
creator	O
of	O
Tetris	B-Device
)	O
,	O
who	O
had	O
backgrounds	O
in	O
mathematics	O
,	O
computer	B-General_Concept
science	I-General_Concept
,	O
and	O
psychology	O
.	O
</s>
<s>
Computer	O
Gaming	O
World	O
stated	O
that	O
"	O
While	O
it	O
's	O
true	O
that	O
the	O
El-Fish	B-Application
graphics	O
are	O
darn	O
close	O
to	O
state-of-the-art	O
,	O
it	O
's	O
questionable	O
as	O
to	O
whether	O
there	O
's	O
enough	O
substance	O
to	O
warrant	O
its	O
purchase	O
"	O
.	O
</s>
<s>
The	O
reviewer	O
,	O
an	O
aquarium	O
owner	O
,	O
criticized	O
the	O
"	O
software	B-Application
toy	I-Application
"	O
on	O
its	O
"	O
inability	O
to	O
sustain	O
the	O
player	O
's	O
interest	O
.	O
</s>
<s>
In	O
1996	O
,	O
Computer	O
Gaming	O
World	O
declared	O
El-Fish	B-Application
the	O
13th-worst	O
computer	O
game	O
ever	O
released	O
.	O
</s>
