-
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...
- 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...
- 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...
-
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...
-
cryptic patterns.
Their bodies are
elongated and scaleless. A
large preopercular spine is
characteristic of this fish, and has been
reported to be venomous...
- 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...
-
Pacific Ocean. All
species of
Neenchelys have two
rather than
three preopercular pores (except for N.
parvipectoralis which usually has one), a significant...
- on the mandible,
palatine and vomer. The
preopercular margin is only
slightly serrated and the
preopercular ridge is smooth. The
pectoral fin is long...
