Newt
Only King Julien,
nutria
היפופוטומוס (hippopotamus) is the only one I can come up with.
Beluga is the only sea animal that begins with the letter B Bottle nose dolphin :)
· Xerus (a species of squirrel found only in Africa)
· Ulysses Butterfly · Xerus (a species of squirrel found only in Africa)
· X-ray Tetra (fish) · Xenops · Xerus (a species of squirrel found only in Africa)
There are only a few animals whose names begin with a silent letter. All the animals with silent first letters are gnat, gnu and a wren.
Only the letter N.
The only marina animal I could find was the Yellow Tang. and the Yellow Finger Spongeand the yellowtail amberjack
X-ray Tetra (fish), Xenops (bird), Xantus Hummingbird, Xoloitzcuintli (a dog breed recognized by the American Kennel Club and Xerus (a species of squirrel found only in Africa) are animals. They begin with the letter x.
The only letter which begins with the letter 'J' is the letter 'J.'