-
spine A
spine positioned above and in
front of the eye. preopercle,
preoperculum The bone
between the ch**** and the gill cover.
preopercular spine A spine...
-
contains four bone
segments known as the
preoperculum, suboperculum,
interoperculum and operculum. The
preoperculum is a crescent-shaped
structure that has...
- divergent, and 3–5 on the
preoperculum,
normally 5. The
suborbital stay is
normally securely attached to the
preoperculum,
although in some
species it...
-
lateral head/ch**** skeleton,
below the eye socket)
across the ch**** to the
preoperculum, to
which it is
connected in most species.
Scorpaeniform fishes are carnivorous...
-
mouth and an
upper jaw
extending behind the eye. The
lower edge of the
preoperculum is
serrated with a
strong spine at its angle; the
operculum has a small...
- jaw has
three rows of molar-like
teeth at the sides. The
margin of the
preoperculum is smooth, with no
serrations or spines. The
dorsal fin is long and not...
-
length of the snout. The ch****s are deep and
covered in
scales but the
preoperculum has no scales,
although the
operculum is scaled. It has a long-based...
-
There are no
scales on the
snout but
there are
scales on the ch****s. The
preoperculum may or may not have
scales and has no
spines or
serrations on its margin...
- has no
spines and is
rather weakly defined.
There are 5
spines on the
preoperculum which are all
about the same length.
There are
spines on the supracleithrum...
- bristle-like teeth. The
preoperculum has a
sizeable spine at its
corner and a
serrated rear
margin while there are 4
spines between the
preoperculum and the operculum...
