Sticklebacks typically grow to a size of about 2 to 3 inches (5 to 8 centimeters) in length, though some species can reach up to 4 inches (10 centimeters). Their size can vary depending on the species and environmental conditions. The three-spined stickleback is one of the most common and well-studied species within this family.
The Stickleback - 1915 was released on: USA: April 1915
External, like most fish.
The Stickleback - 1913 was released on: USA: 11 March 1913
A four-horned sculpin eats a three spined stickleback. Interesting...............................
internal
yes
bv
they have to
Brook stickleback fish live to about one to two years occasionally three years.
Nancy Chambers has written: 'Pim and the fisherboy' -- subject- s -: Children's stories 'Stickleback, Stickleback'
A Stickleback is a vertebrate. It has a backbone on it's back. all fishes, reptiles, mammals and birds are all vertebrates.
apparently unfortunately heck no