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...
Described by Alexander Agassiz in 1879, *Asthenosoma dilatatum* is a species of deep-water sea urchin notable for its flattened, widened test.
Characterized by its heavily grooved texture, *Asthenosoma striatissimum* is a deep-water sea urchin classified in the Echinothuriidae family.
Named in honor of Japanese zoologist Isao Ijima, *Asthenosoma ijimai* is a distinct species of sea urchin within the Echinothuriidae family.
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.
