9 ), ▁football ▁player <0x0A> </s> ▁The ▁ret ic ulated ▁sir en ▁( S ir en ▁ret icul ata ), ▁also ▁known ▁as ▁the ▁le op ard ▁e el , ▁is ▁a ▁species ▁of ▁aqu atic ▁sal am ander ▁en demic ▁to ▁the ▁sout he astern ▁United ▁States , ▁first ▁formally ▁described ▁in ▁ 2 0 1 8 . ▁This ▁crypt ic ▁sal am ander ▁is ▁known ▁only ▁from ▁three ▁local ities ▁in ▁southern ▁Alabama ▁and ▁the ▁Florida ▁pan handle ▁and ▁is ▁one ▁of ▁the ▁largest ▁animals ▁in ▁the ▁United ▁States ▁to ▁be ▁newly ▁described ▁in ▁the ▁past ▁ 1 0 0 ▁years . ▁ ▁Description ▁The ▁ret ic ulated ▁sir en ▁is ▁one ▁of ▁the ▁largest ▁species ▁of ▁ext ant ▁( l iving ) ▁sal am and ers ▁world wide , ▁reaching ▁up ▁to ▁ ▁in ▁total ▁length , ▁which ▁riv als ▁the ▁hell b ender ▁of ▁the ▁App al ach ian ▁Mountains ▁as ▁both ▁the ▁largest ▁am ph ib ian ▁in ▁North ▁America ▁and ▁the ▁third ▁largest ▁sal am ander ▁in ▁the ▁world . ▁It ▁has ▁a ▁green ish ▁grey , ▁e el - like ▁body , ▁large ▁external ▁g ills , ▁and ▁two ▁small ▁front ▁legs . ▁The ▁sides ▁and ▁bel ly ▁are ▁a ▁l ighter ▁yellow ish ▁green . ▁It ▁has ▁an ▁average ▁sn out ▁to ▁vent ▁length ▁( SV L ) ▁of ▁. ▁▁ ▁Sir en ▁ret icul ata ▁diff ers ▁from ▁other ▁Sir en ▁species ▁in ▁its ▁skin ▁pattern ing : ▁a ▁patch work ▁of ▁dark ,