Crush-resistant air sacs allow insect larvae to exploit aquatic habitats at extreme depth · E. K. G. McKenzie et al.
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Evan K. G. McKenzie¹, Maxon J. R. Ngochera², Joseph Chombo², Hayley McLennan³, Roland Proud³,⁴, Tahnee Ames¹, Philip G. D. Matthews¹* The absence of aquatic insects from pelagic marine habitats has been attributed to their air-filled tracheal respiratory system, which could implode at depth while undertaking diel vertical migrations to escape predatory fish. However, we found that the aquatic larvae of the lake fly *Chaoborus edulis* in lake Malawi have modified their tracheal system into reinforced buoyancy-regulating air-filled sacs, allowing them to escape predatory fish by undertaking these migrations well over 200 meters deep into the lake’s anoxic hypolimnion during the day. …
摘自《科学》(Science)第393卷 第6809期 · 2026年7月23日,E. K. G. McKenzie et al.。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。