- the Obriminae,
which surrounds the
actual ovipositor. The
shape of the
preopercular organ located on the
seventh sternite of the
abdomen is species-typical...
- two parts. An
adipose fin is
usually present. The
Sternoptychinae have
preopercular spines and blade-like pterygiop****s in
front of the
dorsal fin. Their...
-
cryptic patterns.
Their bodies are
elongated and scaleless. A
large preopercular spine is
characteristic of this fish, and has been
reported to be venomous...
-
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...
-
Pacific Ocean. All
species of
Neenchelys have two
rather than
three preopercular pores (except for N.
parvipectoralis which usually has one), a significant...
-
projecting ****. The gill
cover has no
supplemental preopercular spine absent but all 5
preopercular spines are
roughly equal in length,
there is a supracleithral...
- on the mandible,
palatine and vomer. The
preopercular margin is only
slightly serrated and the
preopercular ridge is smooth. The
pectoral fin is long...
- years. The
adults have venom-bearing
spines on the
infraorbital bone,
preopercular bone and in the dorsal, anal and
pectoral fins. The
South Australian...
-
There is a
supplemental preopercular spine and the
uppermost preopercular spine is the
longest with the
second preopercular spine being often absent...
-
caudal fins. Dark bars are
often visible across the rear of the body. The
preopercular spines on each side of the head are very
sharp and
slightly venomous...
