- The
Diadematidae are a
family of sea urchins.
Their tests are
either rigid or
flexible and
their spines are long and hollow.
Astropyga Gray, 1825 Astropyga...
-
setosum is a
species of long-spined sea
urchin belonging to the
family Diadematidae. It is a
typical sea urchin, with
extremely long,
hollow spines that...
-
urchin or blue-spotted urchin, is a
species of sea
urchin in the
family Diadematidae. It is a
large species with long
spines and is
found in the tropical...
- the long-spined sea urchin, is a
species of sea
urchin in the
family Diadematidae. This sea
urchin is
characterized by its
exceptionally long
black spines...
-
family Diadematidae. The
banded sea
urchin has a
slightly oval test (s****),
reaching a
diameter of
about 5 cm. Like
almost all the
Diadematidae (but it...
- species,
protect the
urchin from predators. Some
tropical sea
urchins like
Diadematidae,
Echinothuriidae and
Toxopneustidae have
venomous spines.
Other creatures...
- Centrosteph****
rodgersii is a
species of sea
urchin of the
family Diadematidae. It is a big, dark-purple sea urchin, with long and
slender spines, reflecting...
-
mexicanum is a
species of long-spined sea
urchin belonging to the
family Diadematidae. It is
native to the
Pacific coast of Mexico,
Costa Rica, El Salvador...
- 5 in). If the
spines enter into count, the
biggest species may be a
Diadematidae like
Diadema setosum, with a test up to 10 cm (3.9 in) only, but its...
- (Echinothrix diadema) is a
species of
tropical sea urchin,
member of the
Diadematidae family.
Echinothrix diadema is a long
spined urchin. With its spines...
