Image: Parts of a fish - fins

Parts of a fish - fins

Some of the main external features of a Redfin Perch, Perca fluviatilis.

Mark McGrouther
© Australian Museum


The illustration is from Norman & Tenison (1931).

  1. Preoperculum, preopercle
  2. Operculum (gill cover)
  3. Nape
  4. Breast
  5. Lateral line
  6. Caudal peduncle

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Tags parts, fishes, ichthyology, fins, pectoral, pelvic, ventral, dorsal, caudal, tail, anal, rays, spines,