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Dissection

Fish Dissection

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Learn the key external features of a trout and trout dissection. Practise assessing macroscopic keys to assess the appearance of the fins to indicate the animal's health, and explore the techniques and steps involved in dissection.

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Learning outcomes

  • Identify the key external features
  • Learn how the fins and liver can be used to assess fish health
  • Watch an animation of a fish dissection, answering questions about each of the stages
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Skills

Using Instruments and Equipment

  • How to make the initial incisions to open up the peritoneal cavity
  • How to remove the spleen, gonads, digestive tract, liver and gallbladder
  • How to remove the heart, swim bladder, part of the kidney and gills
  • How to separate the head, remove the top of the skull and dissect out the brain

Obtaining and Recording Data

  • How to use a macroscopic key to examine and record the condition of the fins
  • How to determine the hepatosomatic index

Concepts, Principles and Theories

  • What external features and fins can be identified on a fish
  • What is the role of the swim bladder and gills
  • How to use the terms dorsal, caudal, ventral and cranial to describe the relative positions of organs

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Prof. Mike Davies-Coleman
University of the Western Cape

"We’ve been bringing the labs to our students online, allowing them to immerse themselves in a user-friendly interactive space, learn the relevant skills and feed that back into their future experiments. As a result of using LabSims to enhance our teaching practice, student grades increased."

Details

Degrees

Biochemistry
Biomedical science
Biological science

Modules

Ecology & evolution

Topic

Dissection

Purchase option

Bioscience LabSim Library

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