-
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...
-
particularly actinopterygians (ray-
finned fishes), who have
folding fan-like
fin made of
spreading bony
spines called lepidotrichia or "rays" covered...
- The
spinal column, also
known as the
vertebral column,
spine or backbone, is the core part of the
axial skeleton in vertebrates. The
vertebral column...
- ἀκτίς (aktis) 'having rays' and πτέρυξ (ptérux) 'wing,
fins'),
members of
which are
known as ray-
finned fish or actinopterygians, is a
class of bony fish that...
-
coloration with red or
black bands and
ostentatious dorsal fins tipped with
venomous spines.
Pterois radiata,
Pterois volitans, and
Pterois miles are the...
- 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...
-
Early lobe-
finned fishes are bony fish with fleshy, lobed,
paired fins,
which are
joined to the body by a
single bone. The
fins of lobe-
finned fishes differ...
- ἄκανθος (akanthos),
meaning "
spine" or "thorn". The name
refers to the
distinctive anvil-shaped
first dorsal fin and
spine displa**** by
mature males of...
-
first spine of the
dorsal fin being locked in
place by the
erection of the
shorter second trigger spine, and
unlocked by
depressing the
second spine . In...
- black-
finned unicornfish,
Pacific orangespined unicornfish,
blackfinned unicornfish or
stripefaced unicornfish, is a
species of
marine ray-
finned fish...
