Pic of my longifillis 31"

Hi i believe this is the longifillis its exactly the same looking as mine and ive seen in person the bidorsal (sorry for spelling) ive never heard of the 3rd type mentioned mine was labelled as longifillis when imported and is also exactly the same looking as one ive seen at blue planet aquarium ...

Yeah looks differant both have been offered as tigrinum. Desperate to get a true one.im finding it hard to tell all different types

Another pic

Please give accurate id and explain why please many thanks

Anyone???

Hello could someone please give me a 100 pecent id on this tsn