Shadd, your cat is lovely, and very fluffy-looking.
As for the fish, I can only say its disheartening, and there must have been a better way. But what's done is done, I suppose.
On the other hand, Shadd--there are many ways to separate aggressive fish. If you can't keep him in a Tupperware container due to his size, consider an inflatable kiddy pool.
www.inflatable-swimming-pools.com/Inflatable_Pools.htm as you can see, they have many in a variety of price ranges. I don't think spending thirty dollars on a pet is unreasonable--I tend to spend more on a whim just passing petstores (I spoil my baby girls, though).
Regardless... if you dress the pool up, with rocks and such, and change the water often, you should be able to keep Jack separated. It's not a happy situation in any stretch of the imagination, but it will keep him from eating the other fish until you can either dig a pond for him, or procure a larger tank.
I recommend beginning a Fishy Fund for him--fish might be ungrateful pets, but they are pets regardless, and they do rely on their humans for protection and care.
Incidentally, my mother kept Koi until this year (we had a tragedy--Ghost, Spook, Payaso and Deisel--all of whom are outdoor fish--passed away this winter; we've had an influx of racoons and they unfortunately thought it would be a lark to eat my mother's Israeli Koi) and I have never,
ever seen the Koi attack the smaller fish. This pond was home to two bullfrogs (a mating pair with a yearly spawn of tadpoles), algae-eaters and smaller fish. The Koi were all unaggressive--other then some fin-nibbling (often on THEM from the smaller fish), they were relatively peaceable.
They were also trained to eat out of hand, and recognized my mother at feeding time.
They are by no means stupid animals, and can recognize affection when it is offered.
I'm surprised to hear that Jack eats his tankmates--perhaps the tank's size is contributing to the factor--just like humans, fish react violently to stress, and he is probably feeling a bit tetchy at the moment. Incidentally, you could also try to feed him more--koi are fond of peas, lettuce and niblets of watermelon. Keeping him happy and content might do a bit to assuaging his aggressive tendencies.
But in the long run, I think an inflatable kiddy pool might be your best temporary option--they're relatively inexpensive, easy enough to clean, and as its summer, they can be located outside.
Just remember--Koi are cold-water fish and prefer chillier water temperatures. It's advisable to have a metre or more of water for them to swim in, in latitudes where the weather warms during the summer.
Barring that, well, I suppose you could keep him indoors if you have air conditioning---or outside, in a shady location.
Other then that, I dunno what to tell you.
Anyways:
This
smg.photobucket.com/albums/v242/n0-leaf-clover/?action=view¤t=ferretandwhip_.jpg is Treble. She is my ferret--a little under a pound of perky-happy joy. She's two years old last december, and a real sweetheart. Very independent and affectionate.
Though she's mad at me right now; I had to clip her nails and she was having none of that.
smg.photobucket.com/albums/v242/n0-leaf-clover/?action=view¤t=fatfuzzbut.jpg Here she is--same photo time..and she's marginally less upset with me. XD
And this
smg.photobucket.com/albums/v242/n0-leaf-clover/?action=view¤t=IM000412.jpg is Lucky. She's a half-doberman half-something street dog I acquired when she was all of two days old. I was living in the Dominican Republic at the time and my family was known as the 'pet friendly family' on the block. The neighbor's purebred Dobie got knocked up by a mongrel, she got pregnant, and then one day she wasn't.
And the day after, we got one anonymous donation of dog.
I handfed her and somehow, she defied astronomical odds to make iit where she is today--sleeping on my feather duvet and currently drooling on my pillow.
Cause she's a classy broad.
Anyways--what you don't see in that photo is the fact that she's been hit by a car and had her back broken--and she can still do everything she could before except wag her tail.
The vet bills were expensive but worth it; she's my good girl. And we did learn her lesson--she has insurance now.
![](http://smg.photobucket.com/albums/v242/n0-leaf-clover/?action=view¤t=IM000399.jpg)
As you can see, she's also a model. She's never without her bandanna--and she has an extensive collection of them. She's wearing a sage green one at the moment with some bone decals on them. She gets one as a treat every time she goes to the vet.
They're her summer wear--in the winter, she has coats (a purple plaid one with a faux fur trim and pockets for her treats, a pink one for autumn and a red and white christmas one for when she wants to go romping in the snow) and she has booties. She also wears my pink scarves (but only pink, for some reason, she takes off my other coloured ones) and occasionally a toque if its chilly.
She's such a lady. >XD
Anyways, I'll stop boring you with the doggy fashion. </petgirl>