-
representatives of the
other species,
among other things, by the
shape of the
preopercular organ. In Sun****a aeta it is
formed by a distinct,
almost semi-circular...
-
projecting ****. The gill
cover has no
supplemental preopercular spine absent but all 5
preopercular spines are
roughly equal in length,
there is a supracleithral...
- one from the tip of the
snout to the
front of the eye, one from the
preopercular margin to the
middle of the operculum, and one from the back edge of...
- Gr****, and is
treated as a noun in apposition. It
refers to the four
preopercular pores on the eel.
Ophichthus tetratrema at www.fishbase.org. McCosker...
-
cryptic patterns.
Their bodies are
elongated and scaleless. A
large preopercular spine is
characteristic of this fish, and has been
reported to be venomous...
- Francisco. The
specific name
bison is
presumed to
refer to the long
preopercular spines,
similar to the
horns of an
American bison (Bison bison). The...
- preopercle,
preoperculum The bone
between the ch**** and the gill cover.
preopercular spine A
spine projecting from the
preopercule (see preopercle). preorbital...
- and an
extraordinary spiny structure on the top of
their gill
cover (
preopercular spine).
Their body has an
orange or red
colour dorsally with
yellow to...
-
reference to the
preopercular spines, one on each side of the head.
Enophrys diceraus has a long
straight spine on the
upper ch****, the
preopercular spine which...
- have a bony
process that
points down to the back of the maxilla. The
preopercular edge is
serrated and the
ridge is smooth.
Pseudamiops diaphanes stay...