09-25-2012, 02:34 PM
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Originally Posted by allaboutfish
What would be a good schooler then or a replacement fish thats active and looks like a shark or catfish?
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For a 55g tank (4-feet length) there are a number of suitable peaceful fish. "Sharks" are not one of them, as whatever species there will be a risk, and they tend to do best singly so there will be a lot of substrate space empty. But of a similar appearance are the loaches, in the Botia and similar families. These are shoaling fish, so a group of 5-6 in a 55g is fine, for those species that do not get too large [like the Clown Loach, fofrget them]. In our profiles there are several. Botia kubotai, Botia striata, Botia almorhae, Botia histrionica; perhaps Botia rostrata though it gets larger. Check the respective profiles, some of these have issues with certain upper fish. There are also the "dwarf" spec ies like Dwarf Loach and Banded Dwarf Loach.
Among catfish, any of the corys (Corydoras or Brochis species) in groups, here 12-15 whether one species, or several with 3-5 of each species, as noted in the profiles. The Whiptail Catfish is peaceful, and has the reddish form Red Lizard Whiptail, these can be single or in groups. A Bristlenose Pleco and some of the similar species, that don't get large.