Dugesia punensis

Why in News?

Prelims - General issues on Biodiversity, Environmental Ecology, & Climate Change

A PhD student and her research guide from Modern College of Arts, Science, and Commerce discovered a new species of planarian worm in Pashan Lake, Pune.

• It is a new species of planarian worm, named Dugesia punensis.
• This specimen was deposited at the Zoological Survey of India.
• Planarians are aquatic flatworms known for their regenerative capabilities.
• Habitat - They are found in stagnant water.
• This is the first time since 1983 that a new species of planarian was scientifically recorded in India.
• Characteristics - Even if their body is cut into pieces, each piece can regenerate into a complete organism.
• Hence, they are very important in stem research.
• The regenerative potential of this worm is 14 days, compared to others whose regenerative span is about 18 days or more.
• Morphology - The morphology is also different from others, was more delicate.
• The new species is characterised by its spotted appearance, slightly reduced auricles and elongated pharynx and gonopore.
• The body size ranges between 8mm-12mm in length.
• The dorsal side is spotted dark brown in appearance, with a light brown back. The ventral side looks pale.
• Eggs are circular and have a reddish appearance. Auricular grooves enclose two bright black eyes
• Diet - The flatworm feeds on chicken liver.

Reference

Times of India | Dugesia punensis