flatfish

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flatfish

fish with severely flattened bodies, having both eyes on one side and swim on one side; includes halibut, flounder, sole; generally considered to mean members of the order Pleuronectiformes.
References in periodicals archive ?
The gill rakers are located on four gill arches, either in one or two rows, in the studied pleuronectiforms.
Yazdani (1969) also found correlated differences in bone, muscle and tooth morphology among the jaws of a variety of species of pleuronectiforms, associated also with the diet.
Nevertheless, the morphology of scales and other ossicles of pleuronectiforms, especially of the Baltic Sea, remains insufficiently known.
The scales and their modifications in pleuronectiforms are easily distinguished from comparable ossicles in teleosts we studied earlier (Cottidae, Cyclopteridae, Liparidae, Gasterosteidae, Syngnathidae), though there are interesting comparisons between the spined and lateralline scales as well as tubercles of pleuronectiforms and cottiforms (cf.