Cloacal respiration is not limited to land-based animals. Several marine and freshwater creatures have also evolved this method to cope with low oxygen levels in aquatic environments.1. Sea Cucumbers (Class Holothuroidea)Habitat: Ocean floors worldwideBreathing Mechanism: Sea cucumbers, slow-moving...
Monopterus eel and loach are two common freshwater fishes. They have some differences in appearance, habits and distribution. The following is a detailed introduction to eels and loaches: Eel (Anguilla anguilla):Appearance: The body of the eel is cylindrical, usually between 20 an...