- to
breastfeed successfully. One
study of
women with
inverted or non-
protractile nipples found no
statistically significant difference in breastfeeding...
- with
sandy bottoms feeding pits can be seen
during daytime. The fish's
protractile mouth helps it dig for
chironomid larvae,
Tubifex worms, bivalves, and...
- This led some to
think that the
upper jaw of
Squalus would not be as
protractile as the jaws of
other sharks. However, a
study that
compared different...
-
ventral and
dorsal surfaces. The
mouth is large, crescent-shaped and
protractile, with the
upper lip
continuous while the
lower lip is
interrupted by...
- on
their forefeet and four on
their hind feet.
Their curved claws are
protractile and
attached to the
terminal bones of the toe with
ligaments and tendons...
-
phalanges of the paws and are made of keratin. Many
predatory mammals have
protractile claws that can
partially hide
inside the animal's paw,
especially the...
-
pikes and
their relatives, as they
share some features: a flat head with
protractile mouth beset with cardiform, villiform, or compressed, bi- or tricuspid...
- and the
profile a
straight line from
dorsal fin to mouth. The
mouth is
protractile, and the
lower jaw juts out.
Sizes are
fairly small,
typically up to...
-
covered in well-defined scales. The
mouth is also
usually not
truly protractile. The
largest characins are
Hydrocynus goliath and
Salminus francisc****...
- Thal****oma
Wetmorella Xenojulis Xiphocheilus Xyrichtys Wr****es have
protractile mouths,
usually with
separate jaw
teeth that jut outwards. Many species...
