The channel catfish.
Some do, on the tail or dorsal fin.
black widows
inchworm... haha
Sounds like a Blue Heeler, possible Border Collie/Heeler mix.
Probably ich (Ichthyophthirius multifilis). It's a parasite.
Yes, the dog has a black spot on its eye.
The Black Keys...."Lonely Boy"
black spot in the body
a little spider black legs and yellow back with black spots
I think that fish would be a platy (pla-eye).
That is the planet Jupiter. The black spot was created recently when a asteroid collided with it. Jupiter has a Great Red Spot created through storms. No planet has a black spot no mars has a giant red spot and mercury has the black spot
The Black Spot - 1914 is rated/received certificates of: UK:A