-
redirect flow into the
developing tail vortex,
which may
increase thrust produced by the
tail of
swimming mackerel".
Fish use
multiple fins, so it is possible...
- 'fins' flap. The
basic biomimetic robotic fish is made up of
three parts: a
streamlined head, a body, and a
tail. The head is
often made of a
rigid plastic...
-
thing on its head, nor a
fish on its
tail. Only man made use of this
natural brake-**** for
forward propulsion. As the
propeller rotates, so does the resistance...
-
tropical and
temperate waters around the world. It
resembles a
fish head
without a
tail, and its main body is
flattened laterally.
Sunfish can be as tall...
-
violent collisions with
propeller-driven
boats and ships. Some
manatees have been
found with over 50
scars on them from
propeller blades.
Natural causes...
- and
glowing light blue
margins on the
tail lobes and fins. Just like
other fish in the
family Balistidae, the
tail is lyre-shaped. The
mouth of the triggerfish...
-
million years ago, a
streamlining of the body and the
growth of
flukes on the
tail which occurred around 43
million years ago with Protocetus, the migration...
-
engine driving three-bladed contra-rotating
propellers. The
tail surfaces were a
reflected cruciform v-
tail (forming an x) that
extended above and below...
-
point like a
spinning propeller when the lure is in motion,
creating varying degrees of
vibration and
flashing that
mimic small fish or
other preys of interest...
-
Thresher sharks use '
tail slaps' to
debilitate their small fish prey and
cavitation bubbles have been seen
rising from the apex of the
tail arc. In the last...
