Fishionary

A blog about fish words!

By Abigail Lynch

A blog about fish words!

gills

Air-breathing

January 17, 2020 by abby

Guest post: Gretchen Stokes, University of Florida Air-breathing fishes are those that respire using aerial gas exchange instead of, or in addition to, that of the water.  Air-breathing is an ancient vertebrate specialization that evolved from aquatic hypoxia (e.g., areas of seasonally flooded wetlands, under ice).  Air-breathing fishes are equipped with one or more modified respiratory … [Read more…]

Posted in: A Tagged: gills, hypoxia, respiration, swim bladder

Gill rakers

December 1, 2017 by abby

While gill rakers have no role in gas exchange, the predominant function of gills,  they do perform an equally important function for filter-feeding fish – food acquisition.  These bony projections serve as a sieve to trap food particles.  They vary greatly in length and number and these characteristic differences have evolved with different feeding strategies … [Read more…]

Posted in: G Tagged: filter feeding, gills, taxonomy

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