Weever

Weevers are venomous marine fishes in the family Trachinidae, known for burying themselves in sand and delivering painful stings with venomous spines.

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Venom: A toxic secretion delivered by an animal through a bite, sting, or specialized spine. Weever venom is injected through spines and causes severe local pain.
Trachinidae: A family of venomous marine fishes that includes weevers and related genera. This is the taxonomic family that defines weevers.
Weever sting: A painful envenomation caused when a weever's venomous spine punctures skin. This is the principal hazard associated with contact with a weever.
Echiichthys vipera: A small weever species of European Atlantic and Mediterranean coasts, commonly called the lesser weever. Its shallow-water habitat makes it a frequent cause of shore-side stings.
Fish spine: A rigid, pointed skeletal structure that supports or protects a fish's body. Spines on the dorsal fin and gill cover can inject weever venom.
Perciformes: A large order of ray-finned fishes, traditionally encompassing many perch-like groups. Weevers are classified within this broad fish order in traditional taxonomy.
Marine envenomation: Poisoning caused by venom delivered by a marine animal. A weever sting is one kind of marine envenomation.
Trachinus araneus: A weever species found in the eastern Atlantic and Mediterranean, known as the spotted weever. Its distinctive spotting provides a species-level example within Trachinidae.
Benthic fish: A fish that lives on or near the bottom of a body of water. Weevers spend much of their time resting on or buried in the seabed.
Dorsal fin: A fin running along the back of a fish, used mainly for stability and defense. Weever dorsal fins bear venomous spines.