| HIRUDO
the type are very many, the ecology habit also EndlessSame,
only introduces the especially big width body gold
thread leech in here us. Because the especially
big width body gold thread leech spawns many, disease-resistant
strong, a nature HIRUDO is better than raising,
also grows quickly. Especially big width body gold
thread leech, build especially big, an ordinary
gold thread leech nearly is bigger than time. The
body grows up, is flat, slightly becomes the spindle
shape. Adult body long 80-140mm. Back usually is
the dark colored, some 5 alternate with by the yellow
and the black two kind of streaks forms ZongWen,
the side lower extremity respectively has a yellow
vertical belt. The abdomen faint yellow, mixed has
many irregular dark blues spots. The body ring content
107, ReproductionGang obviously occupies 15 links;
Male ReproductionHole in 33-34 WeiDitch. Female
ReproductionHole in 38-39 WeiDitch. Firstsucker
is small, the inside the mouth has the jaw, on the
jaw has two lines of obtuse toothed racks.
HIRUDO is lax
to the water quality and the environment request.
The water temperature is generally good in 15-30
degree-hour of growth, below 10 stops taking in
food the growth, above 35 affects grows, ShuiZhi
the monoecism, the cross fertilization, in from
mid-April for spawns to May the peak, each HIRUDO
time spawns 3-5, hatches after 15-25 date, each
egg cocoon hatches young leech 40, raises the
technology to go through a strategic pass, same
year then became the leech. |
