amphipedal progression
locomotion using the pectoral fins in a manner similar to that used by humans on crutches, e.g. in mudskippers and frogfishes. Also called crutching

Dictionary of ichthyology. 2009.

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  • crutching — a form of fish locomotion which is hesitant, using the pectoral fins in a manner similar to that used by humans on crutches, e.g. in mudskippers and frogfishes. Also called amphipedal progression …   Dictionary of ichthyology

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