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A Guide to Common Singapore Spiders
by Joseph K H Koh
  Grey Cocalus
Cocalus murinus Simon 1899
 
close-up of large greyish female
Female
Between the second and third rows of eyes is a low bump which is characteristic of the genus. Classification: Family Salticidae, Jumping Spiders
Habitat: Waste-land, secondary forests.
Distribution: Singapore (new record), Indonesia.
These unusual Jumping Spiders of the sub-family Spartaeinae have a different eye arrangement compared to other Jumping Spiders.
Whereas the posterior median eyes (i.e., the eyes in the second row) of most Jumping Spiders are tiny, there is a category of Jumping Spiders whose posterior median eyes are fairly big. These include spiders in the genera Cocalus, Phaeacius, Portia and Spartaeus.
close-up of face
Face of Phaeacius
malayensis
(female)
  From "A Guide to Common Singapore Spiders" by Joseph K. H. Koh
BP Guide to Nature Series published by the Singapore Science Centre and sponsored by British Petroleum
© 2000 Joseph K H Koh