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Comparative Endocrinology and endocrine disruption

Semester 2

The aims of the course are:  

(a) to introduce the students to the wide diversity and variability existing in fish reproduction and sexual determination and differentiation processes.

(b) to offer to the students basic knowledge on  endocrinology of marine fish and shellfish.

(c) to show the students the effects of environmental pollutants on endocrine system and reproduction of fish and shellfish.

(d) to develop skills to estimate reproductive stages in fish and shellfish and understand modern tools on aquaculture of fish and shellfish species.

At the end of the Unit, you should be able to Identify sex and gonad development in fish and shellfish and to Identify effects of pollutants in reproductive and endocrine system in fish and shellfish.

Course Contents

1.    Reproduction in the marine environment: Fish and shellfish
2.    Reproduction strategies and cycles in fish
3.    Sex determination and differentiation in fish
4.    Endocrinology of fish
5.    Hormones and their function in fish
6.    Impact of environmental pollutants on fish reproduction and endocrine system
7.    Aquaculture strategies in fish: tools to improve fish reproduction
8.    Endocrinology of main marine shellfish groups (crustaceans, molluscs and echinoderms)
9.    Hormones in shellfish: participation on reproduction
10.    Endocrine disruption on marine invertebrates
11.    Shellfish aquaculture: modern tools and techniques.

Final Competencies

1.  Understand reproduction strategies in fish.

2.  Identify reproduction strategies and reproductive gonad stages in fish and shellfish.

3.  Have gained a knowledge of impact of environmental pollutants on fish and shellfish reproduction and endocrine system, as well as of hormonal regulation in         aquaculture.


Additional information regarding teaching methods

The course will be composed of the following teaching elements:

  • Lectures - 20
  • Practicals - 6
  • Seminars - 6
  • Computer class - 4
  • Tutorials - 4.


Further course information can be found here: