Parts of a fish

  • Updated
    08/11/18
  • Read time
    4 minutes

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Parts of a fish

Parts of a fish - skeleton

Skeleton of a Nile Perch from Norman, 1947
Skeleton of a Nile Perch, Lates niloticus, from Norman, 1947. Image: Mark McGrouther
© Australian Museum

Skeleton of a Nile Perch, Lates niloticus, from Norman, 1947.

Parts of a fish - direction

Fish with dorsal, ventral, anterior, posterior labelled
A 'typical' fish, the Redfin Perch, Perca fluviatilis, with dorsal, ventral, anterior and posterior directions arrowed. Image: Mark McGrouther
© Australian Museum

A 'typical' fish, the Redfin Perch, Perca fluviatilis, with dorsal, ventral, anterior and posterior directions arrowed.

Parts of a fish - fins

Fins of a fish
Some of the main external features of a Redfin Perch, Perca fluviatilis. Image: Mark McGrouther
© Australian Museum

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

The illustration is from Norman & Tenison (1931).

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

Parts of a fish - internal anatomy

Fish - internal anatomy
Some of the internal anatomical features of a Largemouth Bass, Micropterus salmoides. Image: Mark McGrouther
© Australian Museum

Some of the internal anatomical features of a Largemouth Bass, Micropterus salmoides.

The image is from Lagler, Bardach & Miller (1964) - (Source: Lagler, 1954).

Parts of a fish - internal anatomy of anterior region

Fish - internal anatomy
Some of the internal anatomical features of a Largemouth Bass, Micropterus salmoides. The image is from Lagler, Bardach & Miller (1964) - (Source: Lagler, 1954). Image: Mark McGrouther
© Australian Museum

Some of the internal anatomical features of a Largemouth Bass, Micropterus salmoides. The image is from Lagler, Bardach & Miller (1964) - (Source: Lagler, 1954).