最終更新日:2022/12/22
例文
However,
[Franz]
Steindachner
(1875),
in
describing
Arius
planiceps,
a
catfish
from
Panama,
found
that
at
the
breeding
season
the
innermost
edges
of
the
ventral
fins
of
the
female
are
developed
so
as
to
form
a
kind
of
pocket.
He
conjectured
that
the
eggs
are
extruded
into
this,
fertilized
by
the
male,
and
then
taken
into
his
mouth.
He
found
a
similar
structure
on
the
female
of
A.
kessleri,
the
male
of
which
is
also
a
mouth
brooder.
復習用の問題
However, [Franz] Steindachner (1875), in describing Arius planiceps, a catfish from Panama, found that at the breeding season the innermost edges of the ventral fins of the female are developed so as to form a kind of pocket. He conjectured that the eggs are extruded into this, fertilized by the male, and then taken into his mouth. He found a similar structure on the female of A. kessleri, the male of which is also a mouth brooder.
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