- from the tail or
caudal fin, fish
fins have no
direct connection with the
spine and are
supported only by muscles. Fish
fins are
distinctive anatomical...
-
thrust by
moving fins back and
forth in water.
Often the tail
fin is used, but some
aquatic animals generate thrust from
pectoral fins.
Fins can also generate...
-
Pelvic fins or
ventral fins are
paired fins located on the
ventral (belly)
surface of fish, and are the
lower of the only two sets of
paired fins (the other...
-
pectoral fins or both
their anal and
dorsal fins.
Different types of
Median paired fin propulsion can be
achieved by
preferentially using one
fin pair over...
-
oxygen from
water using gills, has two sets of
paired fins, one or two
dorsal fins, an anal
fin and a tail
fin, jaws, skin
covered with scales, and lays eggs...
-
developed a
third pair of
paired fins); but
along the non-
paired parts of the
fin line,
other fins develop. In tetrapods, only the four
paired fins normally persisted...
- body with a
short head and broad, paddle-shaped
paired fins. The
caudal peduncle (to
which the tail
fin is attached)
comprises over half the shark's length...
- list (link) Dead fish
breathes new life into the
evolutionary origin of
fins and
limbs Sansom, R. S. (2009). "Phylogeny,
classification and character...
-
symmetrical pairs, with one
pair at each end of the torso,
which phylogenetically correspond to the four
paired fins (pectoral and
pelvic fins) of their...
-
composed of bone tissue.
Chondrichthyes are
aquatic vertebrates with
paired fins,
paired nares,
placoid scales,
conus arteriosus in the heart, and a lack...