Tuesday, December 9, 2025

A species of comb jelly can reverse its life cycle

Aging reversed

A new study led by Joan J. Soto-Angel, a postdoctoral fellow at the University Museum of Bergen, reveals that the comb jelly Mnemiopsis leidyi can reverse from a mature lobate form back to an earlier cydippid stage. Comb jellies, known for their regenerative abilities and unique reproduction, sexually reproduce at the larval stage, making it difficult to differentiate between adult and immature forms. This discovery highlights the remarkable plasticity of their development.

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