-
their teeth,
fin spines, and denticles). Bony
fishes are
divided into ray-
finned and lobe-
finned fish. Most
living fish are ray-
finned, an extremely...
- The
vertebral column, also
known as the backbone,
spine, or
spinal column, is the core part of the
axial skeleton in
vertebrate animals. The vertebral...
- actino- 'having rays', and
Ancient Gr**** πτέρυξ (ptérux) 'wing,
fins'),
members of
which are
known as ray-
finned fish or actinopterygians, is a
class of bony fish that...
-
particularly actinopterygians (ray-
finned fishes), who have
folding fan-like
fin made of
spreading bony
spines called lepidotrichia or "rays" covered...
- to the
spine and
there are no
limbs or limb girdles. The main
external features of the fish, the
fins, are
composed of
either bony or soft
spines called...
-
coloration with red or
black bands, and
ostentatious dorsal fins tipped with
venomous spines.
Pterois radiata,
Pterois volitans, and
Pterois miles are the...
- molly; to
distinguish it from its congeners, it is
sometimes called short-
finned molly or
common molly. They
inhabit fresh water streams,
coastal brackish...
- and
right sides, by a pair of hip bones. The two hip
bones connect the
spine with the
lower limbs. They are
attached to the
sacrum posteriorly, connected...
-
fin-limbs
found in lobe-
finned fishes like the
coelacanths display a
strong resemblance to the
presumed ancestral form of
tetrapod limbs. Lobe-
finned...
- ἄκανθος (akanthos),
meaning "
spine" or "thorn". The name
refers to the
distinctive anvil-shaped
first dorsal fin and
spine displa**** by
mature males of...
