Echiichthys vipera - the spines in the first dorsal fin are linked to venom glands. Small aquarium in Plymouth Sound section, National Marine Aquarium, Plymouth, 17th March 2016.
Echiichthys vipera - the spines in the first dorsal fin of this native species are linked to venom glands. Small aquarium in the Plymouth Sound section, National Marine Aquarium, Plymouth, 17th March 2016.
