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Scientific Name: Spirogyra minuticrassoidea Yamagishi, 1963
Phytoplankton : Spirogyra minuticrassoidea

Photo: pjunkins (iNaturalist)

Classification:
Kingdom: Plantae
Phylum: Charophyta
Class: Zygnematophyceae
Order: Spirogyrales
Family: Spirogyraceae
Description:
Spirogyra minuticrassoidea is a filamentous green algae species characterized by unbranched filaments composed of small cylindrical cells, typically measuring around 10-15 micrometers in diameter. Each cell contains spiral-shaped chloroplasts visible as green, ribbon-like structures that coil around the central vacuole. Enclosed within a thin, transparent cellulose cell wall, Spirogyra minuticrassoidea reproduces asexually through filament fragmentation and sexually via conjugation, where specialized gametangia from different filaments merge to form zygospores. It inhabits freshwater environments such as ponds, lakes, and slow-moving streams, where it contributes to oxygen production through photosynthesis and serves as a vital component of the aquatic food web. Non-motile in nature, Spirogyra minuticrassoidea adheres to substrates or drifts freely in the water column, playing a significant role in nutrient cycling and ecosystem dynamics within its habitat.
Habitat & Distribution in Bangladesh:
They tend to grow in freshwater.
Environment:
Freshwater
DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Other Information