Best Fire Urchin
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*Asthenosoma periculosum*, commonly called the fire-urchin, is an extant sea urchin within the Echinothuriidae family. It’s notable for possessing venomous spines that inflict a painful sting. This species is particularly relevant to marine biologists and researchers studying venom evolution and de...
Asthenosoma varium is a venomous sea urchin belonging to the Echinothuriidae family. This extant species, often called the fire-urchin, is notable for its potent spines that deliver a painful toxin. Found primarily in the Indo-Pacific, it’s of interest to marine biologists studying venom evolution a...
Asthenosoma dilatatum is a species of deep-water sea urchin first described by Alexander Agassiz in 1879. Belonging to the family Echinothuriidae, it is commonly referred to as a fire urchin due to its venomous pedicellariae, which can deliver a painful sting. The species has a distinctive, flattene...
Asthenosoma ijimai is a species of sea urchin belonging to the Echinothuriidae family, a group characterized by their flexible, leathery shells. Named in honor of the prominent Japanese zoologist Isao Ijima, this marine invertebrate is native to the Pacific waters near Japan. Like other members of i...
First described in the Red Sea by Ole Theodor Jensen Mortensen in 1934, *Asthenosoma marisrubri* is a notable species of deep-water sea urchin.
*Asthenosoma intermedium* is a species of deep-sea sea urchin that belongs to the Echinothuriidae family, distinguished by its intermediate features.
