-
resemblance to
members of Gempylidae, but has
protrusible premaxillae,
serrated opercles and preopercles, and a spur on the
lowest prin****l
caudal ray, all of...
- are venomous; they have two
large venomous spines situated behind their opercles and
above their pectoral fins. The
species within the
genera Astroscopus...
- Pomoxis, Gr****: poma, 'lid, cover' and oxys, 'sharp',
alluding to the
opercles ending in two flat
points instead of an ear flap "croppie". Merriam-Webster...
- The
operculum is a
series of
bones found in bony fish and
chimaeras that
serves as a
facial support structure and a
protective covering for the gills;...
- The
material that was
referred to
Vango by
Murray et al. (2023)
includes opercles, hyomandibulae, frontals, and basioccipitals, and
other partial gonorynchiform...
- that of the
northern pike (E. lucius).
Unlike northern pike, however, the
opercles and ch****s of
chain pickerel are
entirely scaled. It may
reach up to 78...
-
ranging between 1 – 69 mm in body length,
being widest right below the
opercles and
narrowing to the peduncle. Like
other fish in the
genus Ancistrus,...
- has
golden iridescence.
Iridescence is
particularly pronounced on the
opercles (gill covers)
which have a
violet sheen on
their posterior side. The iris...
- it the bluntnose.
There is a dark
lateral line
which stretches from the
opercle to the base of the tail,
where a
large black spot is located. The average...
-
crest is
present on the
anterodorsal surface of the hyomandibular. The
opercle is less developed, with a
distinctly convex profile. Some
slight variation...