''Lumbriculus illex'' is a fresh-water worm, the most recently described member of the genus (Timm & Rodriguez, 1994), and is known only from 3 individuals found in Komarovka stream, north of
Vladivostok
Vladivostok ( rus, Владивосто́к, a=Владивосток.ogg, p=vɫədʲɪvɐˈstok) is the largest city and the administrative center of Primorsky Krai, Russia. The city is located around the Zolotoy Rog, Golden Horn Bay on the Sea ...
.
In most regards, this species is probably similar to ''
Lumbriculus variegatus
''Lumbriculus variegatus'', also known as the blackworm or California blackworm, is a species of worm inhabiting North America and Europe. It lives in shallow-water marshes, ponds, and swamps, feeding on microorganisms and organic material. The ...
'', but it can be told apart from this species by its one-pointed setae (other ''Lumbriculus'' have two-pointed setae). Its closest relative is probably ''
L. sachalinus'' or ''
L. olgae''. Mature Lumbriculus can also easily be told apart by a number of genital characters, but as few of the species in the genus ever become sexually mature, this method of identification is often useless.
References
illex
''Illex'', commonly known as shortfin squids, is a squid genus in the family Ommastrephidae and the only member of the subfamily Illicinae. It contains four species:
* ''Illex argentinus'', Argentine shortfin squid
* '' Illex coindetii'', south ...
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