Piranha anyone?
Or perhaps Octopus?
or even this? ....
I haven't a clue what it is,
.......but I can tell you that St Andrews Sea life centre is well worth a visit.
Carol used to be very much into her tropical fish like yourselves ... but sadly gave up as they were taking over her life ... ( as I'm sure you understand.
)
Anyhoo, I've enjoyed this thread and thanks for your pics guys ... the fish and their habitats look uber cool.
I'll leave you with this: