- ISBN 978-0-12-821339-1.
James W.
Fetzner Jr. (January 14, 2008). "
Pacifastacus (
Pacifastacus)
leniusculus leniusculus (Dana, 1852).
Signal crayfish". Crayfish...
- Pliocene)
Pacifastacus connectens Pacifastacus fortis –
Shasta crayfish Pacifastacus gambelii Pacifastacus leniusculus –
signal crayfish †
Pacifastacus nigrescens...
-
Pacifastacus nigrescens, the
sooty crayfish, is an
extinct species of
crayfish in the
family Astacidae. It was
originally described in 1857 by William...
-
under threat by
imported species,
particularly the
signal crayfish (
Pacifastacus leniusculus).
Crayfish are also
considered an
invasive predatory species...
- (Thanetian)
Pacifastacus Bott, 1950 †
Pacifastacus chenoderma (Cope, 1871) - Idaho, USA
Pacifastacus connectens (Faxon, 1914) - Idaho, USA
Pacifastacus fortis...
- crayfish,
Astacus astacus, and even of a
transplanted American species,
Pacifastacus leniusculus, is very limited, and to
satisfy demand, the
majority of...
-
Competitors include the
signal crayfish (
Pacifastacus leniusculus) and the
smallmouth b**** (Micropterus dolomieu).
Pacifastacus fortis is
listed as a critically...
-
corruption of
water quality and the
spread of the
American crayfish Pacifastacus leniusculus,
which was
imported in the 20th
century and has steadily...
-
plague carried by the
invasive North American species signal crayfish (
Pacifastacus leniusculus), so is
listed as a
vulnerable species on the IUCN Red List...
- mold
disease Aphanomyces astaci,
carried by non-native
signal crayfish,
Pacifastacus leniusculus. The
introduction of
signal crayfish to
compensate for economic...
