they have to
The Stickleback - 1915 was released on: USA: April 1915
External, like most fish.
The Stickleback - 1913 was released on: USA: 11 March 1913
Predators of stickleback fish include birds such as herons and cormorants, as well as larger fish like pike and bass. Additionally, mammals like otters and raccoons are known to feed on stickleback fish.
A four-horned sculpin eats a three spined stickleback. Interesting...............................
internal
yes
bv
A Stickleback is a vertebrate. It has a backbone on it's back. all fishes, reptiles, mammals and birds are all vertebrates.
Nancy Chambers has written: 'Pim and the fisherboy' -- subject- s -: Children's stories 'Stickleback, Stickleback'
Brook stickleback fish live to about one to two years occasionally three years.