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Scientific Name: Simocephalus serrulatus (Koch, 1841)
English Name: Water Flea
Local/Bangla Name: Pani Poka (পানি পোকা)
Zooplankton : Simocephalus serrulatus

Photo: Ken Koll (iNaturalist)

Classification:
Kingdom: Animalia
Phylum: Arthropoda
Class: Branchiopoda
Order: Anomopoda
Family: Daphniidae
Description:
The female of this species typically has a broadly oval or sub-rhomboidal carapace, with a slightly widened rear. The dorsal margin is evenly arched, while the ventral margin bulges in the middle, with a posterior protuberance above the body’s median axis. Both the posterodorsal margin and terminal protuberance are denticulated. The head and rostrum are small, with the dorsal margin of the head evenly curved and forming a small acute angle armed with minute denticles. The rostral projection is also small. The ocellus is rhomboidal and smaller than the large eye. The postabdomen is broad and truncate, typically bearing about 8 anal denticles. The claw is long, rather straight, and has fine setules on the concave margin. The length of the organism ranges from 1.0 to 1.5 mm. In terms of reproduction, the parthenogenetic female progresses through various adult stages and produces batches of eggs. These eggs are then incubated in the mother’s brood pouch, where the young are eventually released as juveniles.
Habitat & Distribution in Bangladesh:
Commonly found in rivers in Bangladesh, such as the Halda River.
Environment:
Freshwater, Brackish
Main References:

Ahmed ATA, Kabir SMH, Ahmad M, Rahman AKA, Haque EU, Ahmed ZU, Begum ZNT, Hassan MA, Khondker M (eds.) (2008) Encyclopedia of Flora and Fauna of Bangladesh, Vol. 18. Part II. Arthropoda: Crustacea. Asiatic Society of Bangladesh, Dhaka, 226 pp

DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Global IUCN conservation status:
Other Information