Oh they definitely take up some realestate but the upper jaws can be kept in 18 inch wide tanks they really arent activei take your point thats why i was asking which species of bichir was intended. i dont keep them, ive just always seen them in larger tanks. seems like they occupy quite a bit of floor space when theyre grown.
Allot of the sizes are exaggerated and cb stay smaller.
T thefredpit can you post that size chart