Copidognathus arabicus   Chatterjee & Chang,  2004 (Marine Mite)
Organism information awaits expert curation
Class: Arachnida

Size: Idiosoma 290 pm to 293 µm long (male), 298 µm (female).

Male: All dorsal plates separate. Anterior dorsal plate containing one anterior, two middle and one posterior (marginal) areolae. Anterior areola with about 12 rosette pores; two middle areolae pyriform (sometimes crescent shaped), each with about 14 rosette pores. About 6-8 rosette pores on marginal areola. Ocular plate tapering posteriorly. Posterior dorsal plate with four costae. Two middle costae, each three rosette pores wide; paracostae, two rosette pores wide. Middle costa and paracosta joining together anteriorly. Middle costae each containing two gland pores; distance between two gland pores one rosette pore wide. Rosette pores on the dorsal plates containing ostium; canaliculi absent. All ventral plates separate, and porose. Epimeral process absent. Posterior epimeral plate containing a long areolar area ventrally, with three ventral and 1 dorsal seta. Paragehital areolae well-developed. Gnathosoma 28 µm long. Palp consisting of 4 segments. Ventrolateral portion of gnathosoma porose.
Chaetotaxy of legs: trochanter 1-1-1-0; basifemur 2-2--2-2; telofemur 5-5-2-2; patella 4-4-3-4; tibia 7-7-5-5; tarsus (excluding PAS) 7-4-4-4.
The distance between two basal dorsal setae subequal to width of the respective tarsus. All legs with two lateral claws and a bidentate median claw. All lateral claws armed with a tooth dorsally.

Female: Female somewhat similar to male, except for the genitoanal region. Paragenital areolae well developed.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Rocky, Coastal


• Maharashtra, Mumbai INDIA (Record: 11/1995)

Literature Source(s)
  • Chatterjee, T and Chang, CY (2004) Two new Copidognathus halacarids (Acari, Halacaridae) from the Mumbai coast of India (Arabian Sea) Italian Journal of Zoology Taylor & Francis 71(3) 265-269 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-08-11

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