Long-spined Sea Urchin
Long-spined sea urchins are covered in long, hollow, venomous spines
About the Long-Spined Sea Urchin
Characteristics
They are regarded to have the best vision among sea urchins.
Relationship with other Species
Symbiotic Relationship
Cardinalfish hide among the spines of long-spined sea urchins to camouflage and hide from predators.
Fun facts
Appearance
They have a brightly-coloured anal cone among their long spines.
Did you know?
While they lack complex eyes, long-spined sea urchins have sensitive light sensors all over their body.
Defences
Their venomous spines can cause pain and swelling to those stung by them.
Appearance
They have a brightly-coloured anal cone among their long spines.
Did you know?
While they lack complex eyes, long-spined sea urchins have sensitive light sensors all over their body.
Defences
Their venomous spines can cause pain and swelling to those stung by them.
Appearance
They have a brightly-coloured anal cone among their long spines.
Did you know?
While they lack complex eyes, long-spined sea urchins have sensitive light sensors all over their body.
Defences
Their venomous spines can cause pain and swelling to those stung by them.