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Scientific Name: Alona guttata G.O. Sars, 1862
Zooplankton : Alona guttata

Photo: pearmonger (iNaturalist)

Classification:
Kingdom: Animalia
Phylum: Arthropoda
Class: Branchiopoda
Order: Anomopoda
Family: Chydoridae
Description:
The organism has an almost oval body shape with rounded corners at the back of its valves, sometimes featuring longitudinal lines and polygonal patterns towards the rear. Its head shield has a rounded back edge and three main pores on the head, connected by narrow passages. The antennules don’t extend to the tip of the rostrum, and the antennae have spines on various segments. The labrum plate has a curved front edge, and the ocellus is smaller than the eye and positioned midway between the eye and the rostrum tip. The postabdomen is broad, with nine anal spines and lateral groups of setae. Its distal dorsal margin protrudes beyond the base of the claws, with a projecting preanal corner and a slightly concave anal margin. Each claw has a single basal spine. Its length ranges from 0.40 to 0.50 mm. Regarding its life cycle, it reproduces via parthenogenesis. The parthenogenetic female progresses through several adult stages and produces batches of eggs, which are retained within the mother’s brood pouch for incubation. Embryonic development occurs internally, and the offspring are released as juveniles.
Habitat & Distribution in Bangladesh:
Commonly found in rivers in Bangladesh, such as the Halda River.
Environment:
Freshwater
Other 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