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 Stimpson from the area around San Francisco, where it was once common in the creeks surrounding San Francisco Bay. The signal crayfish, Pacifastacus leniusculus was introduced to California, probably in the 19th century, and since then, no sightings of P. nigrescens have been made; it is now believed to be extinct. Intensive searches of its former habitat have found that every site where it once occurred is now occupied by either the signal crayfish or Procambarus clarkii.
Link from a Wikipage to another Wikipage
primaryTopic
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 Stimpson from the area around San Francisco, where it was once common in the creeks surrounding San Francisco Bay. The signal crayfish, Pacifastacus leniusculus was introduced to California, probably in the 19th century, and since then, no sightings of P. nigrescens have been made; it is now believed to be extinct. Intensive searches of its former habitat have found that every site where it once occurred is now occupied by either the signal crayfish or Procambarus clarkii.
has abstract
Il Pacifastacus nigrescens (no ...... gambero rosso della Louisiana.
@it
Pacifastacus nigrescens är en ...... s listade i Catalogue of Life.
@sv
Pacifastacus nigrescens é uma ...... sculus ou Procambarus clarkii.
@pt
Pacifastacus nigrescens, atau ...... duki oleh Procambarus clarkii.
@in
Pacifastacus nigrescens, the s ...... e females were 35 mm (1.4 in).
@en
Wikipage page ID
12,709,124
page length (characters) of wiki page
Wikipage revision ID
1,021,132,540
Link from a Wikipage to another Wikipage
authority
@en
status
EX
@en
status system
IUCN3.1
@en
taxon
Pacifastacus nigrescens
@en
wikiPageUsesTemplate
subject
hypernym
comment
Il Pacifastacus nigrescens (no ...... che si ritiene ormai estinto.
@it
Pacifastacus nigrescens är en ...... s listade i Catalogue of Life.
@sv
Pacifastacus nigrescens é uma ...... sculus ou Procambarus clarkii.
@pt
Pacifastacus nigrescens, atau ...... duki oleh Procambarus clarkii.
@in
Pacifastacus nigrescens, the s ...... ayfish or Procambarus clarkii.
@en
label
Pacifastacus nigrescens
@en
Pacifastacus nigrescens
@in
Pacifastacus nigrescens
@it
Pacifastacus nigrescens
@pt
Pacifastacus nigrescens
@sv