ok im trying to decide which i want. so im going to list the crays, and show the ups and downs of each, and then you vote. dwarf cajun crays- pros- 10 gallon tank, plant and fish safe, can keep a pair. cons-smaller, most expensive with shipping. red swamp cray- pros- local, bigger, more colorful, cheapist. cons-no plants or fish, 20 gallon tank, can only keep one. electric blue cray- pros-bigger, most colorful, cheaper than the cajuns, local. cons-20 gallon tank, no fish or plants, can only keep one, more expensive than the swamp cray.