-
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...
- the Obriminae,
which surrounds the
actual ovipositor. The
shape of the
preopercular organ located on the
seventh sternite of the
abdomen is species-typical...
-
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...
-
There is a
supplemental preopercular spine and the
uppermost preopercular spine is the
longest with the
second preopercular spine being often absent...
- dimorphic;
males have
developed odontodes inserted in
fleshy papillae on the
preopercular-opercular
region and the
dorsal and
pectoral fins are 2–3
times as long...
- on the mandible,
palatine and vomer. The
preopercular margin is only
slightly serrated and the
preopercular ridge is smooth. The
pectoral fin is long...
-
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 acanthus,
which means "thorn" or "spine", a
reference to the
three preopercular spines this fish possesses, in fact, it has only two such spines. Taenianotus...
-
differs from its
close relative El****oma
gilberti by only
having three preopercular canals (gilberti has, on average, four). The
average number of anal fin...