The variation may help explain why stocked salmon don’t fare as well in the ocean.
Poisonous fang blennies (Meiacanthus) are only around 2 inches long but, with their tiny fangs, they can inject predators with a venom that has potent hypotensive effects.
April 14, 2017|
RICHARD SMITH, OCEANREALMIMAGES
(See N.R. Casewell et al, “The evolution of fangs, venom, and mimicry systems in blenny fishes,” Current Biology, doi:10.1016/j.cub.2017.02.067, 2017.)