percine

1. not comparableobsoleterareResembling a perch (the fish).

   Got two fine Malapterursus and a Percine form from the natives.

   1885, William Alexander Forbes, “The Last Journal of W.A. Forbes”, in The Collected Scientific Papers of the Late William Alexander Forbes, R.H. Porter, page 468

plural percines

1. rareA fish in the genus Perca.

   The Percines, or typical perches, are recognizable by the elongated form of the body, and the numerous spines of the first or spinous dorsal fin

   1867, United States Dept. of Agriculture, “Economical American Freshwater Fishes”, in Report of the Commissioner of Agriculture for 1866, Washington: Government Printing Office, page 405

2. biochemistryA protamine found in the sperm of yellow perch Perca flavescens

   An other type of diprotamine contains arginine and histidine: the percine [from the perch, Perca flavescens] belongs to this group.

   2012, Christoph Scholtissek with B.M. Richards, R. Vendrely, C. Vendrely, and D.P. Bloch, Chemistry and Cytochemistry of Nucleic Acids and Nuclear Proteins, Springer, →ISBN, page 16