Class: Senior Secondary School 1 (SS1 / SSS 1)
Term: 1st Term
Week: 6
Age: 15 years
Duration: 45 minutes
Subject: Fisheries
Curriculum Theme: Trade
Previous Lesson: Sub-Division Of Fisheries: Meaning Of Capture Fisheries (Fishing) and Subsistence Fisheries.
Topic: Sub-division of fisheries
Subject Matter: Culture fisheries (aquaculture) meaning, Types of aquaculture, Examples of aquaculture systems

Specific Objectives

By the end of the lesson, pupils should be able to:

Cognitive Domain:

Define culture fisheries or aquaculture.
List three types of aquaculture systems.
Mention two examples of aquaculture systems.

Affective Domain:

Appreciate the importance of aquaculture in food production.
Participate actively in class discussions on aquaculture.

Psychomotor Domain:

Identify pictures or models of different aquaculture systems.
Draw a simple sketch of a fish pond.

Work collaboratively to discuss the benefits of aquaculture.
Share ideas on how aquaculture can improve local food security.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum (Senior Secondary School Fisheries)
State Unified Scheme of Work for Senior Secondary Schools
Essential Agricultural Science for Senior Secondary Schools by O. A. Iwena

Instructional Materials

The teacher will teach this lesson with the aid of:

Pictures or charts showing fish ponds, concrete fish tanks, and floating cages.
Actual fish feed pellets (if available).
Whiteboard and markers.

Rationale for the Lesson

This lesson helps pupils understand culture fisheries, which is an important way of producing fish. Understanding aquaculture enables pupils to see how fish farming contributes to food supply and economic opportunities in Nigeria.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of farming and may have seen or heard about fish being raised in ponds or tanks.

Lesson Content/Board Summary

Culture Fisheries (Aquaculture)

Meaning of Aquaculture

Aquaculture, also known as aquafarming or culture fisheries, is the farming of aquatic organisms such as fish, crustaceans, molluscs, and aquatic plants. It involves cultivating freshwater and saltwater populations under controlled conditions, as opposed to commercial fishing, which involves harvesting wild aquatic animals.

Types of Aquaculture Systems

Aquaculture systems can be categorised based on the intensity of farming, the environment, or the type of enclosure used. The common types include:

Extensive Aquaculture: This involves low stocking densities, minimal management, and relies on natural food sources in large ponds or open water bodies.
Semi-intensive Aquaculture: This involves moderate stocking densities, some management practices like supplementary feeding, and fertilisation of ponds.
Intensive Aquaculture: This involves high stocking densities, controlled environments, complete artificial feeding, and advanced water management techniques. It often uses tanks or raceways.
Integrated Aquaculture: This system combines aquaculture with other agricultural activities, such as raising fish alongside crops or livestock, where waste products from one system are used as inputs for another.

Examples of Aquaculture Systems

The following are examples of enclosures or structures used in aquaculture:

Fish Ponds: These are constructed earthen or concrete basins designed to hold water for raising fish. They are common for extensive and semi-intensive systems.
Concrete Fish Tanks: These are rectangular or circular tanks made of concrete, often used for intensive aquaculture due to better control over water quality and feeding.
Floating Cages: These are net enclosures suspended in natural water bodies like lakes, rivers, or oceans, allowing water to flow through while keeping the fish contained.
Raceways/Flow-through Systems: Long, narrow channels with continuous flow of fresh water, common for high-density fish farming.
Recirculating Aquaculture Systems (RAS): Closed systems that filter and reuse water, providing a highly controlled environment and reducing water usage.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks them to mention different ways people obtain fish for food. The teacher then introduces the topic, “Culture Fisheries (Aquaculture),” as a major way of getting fish.
Pupils’ Activity: Pupils respond by mentioning fishing from rivers, lakes, and oceans. They listen attentively to the introduction.
Learning Point: Pupils are introduced to the concept of fish production beyond natural harvesting.

Step 2: Meaning of Aquaculture

Time: 7 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher explains the meaning of aquaculture, emphasising that it is the farming of aquatic organisms under controlled conditions. The teacher writes the definition on the board.
Pupils’ Activity: Pupils listen, take notes, and ask questions for clarification.
Learning Point: Pupils understand the definition of aquaculture.

Step 3: Pupils Define Aquaculture

Time: 5 minutes
Teaching Skill: Oral Response/Reinforcement
Teacher’s Activity: The teacher asks individual pupils to define aquaculture in their own words to ensure understanding.
Pupils’ Activity: Pupils offer their definitions, demonstrating their grasp of the concept.
Learning Point: Pupils can articulate the meaning of aquaculture.

Step 4: Types of Aquaculture Systems

Time: 7 minutes
Teaching Skill: Elucidation/Categorization
Teacher’s Activity: The teacher explains the different types of aquaculture systems (extensive, semi-intensive, intensive, integrated), describing the characteristics of each. The teacher lists these types on the board.
Pupils’ Activity: Pupils listen, take notes, and identify the distinctions between the types.
Learning Point: Pupils learn about the various approaches to aquaculture.

Step 5: Discussion on Types

Time: 5 minutes
Teaching Skill: Discussion/Interaction
Teacher’s Activity: The teacher facilitates a brief discussion on which type of aquaculture system might be most suitable for specific local conditions in Nigeria.
Pupils’ Activity: Pupils contribute their ideas and discuss the advantages and disadvantages of each type.
Learning Point: Pupils apply their knowledge of aquaculture types to real-world scenarios.

Step 6: Examples of Aquaculture Systems

Time: 8 minutes
Teaching Skill: Demonstration/Illustration
Teacher’s Activity: The teacher uses pictures or charts to show examples of aquaculture systems like fish ponds, concrete tanks, and floating cages. The teacher explains the features and uses of each example, showing actual fish feed pellets if available.
Pupils’ Activity: Pupils observe the pictures/charts, identify the different systems, and ask questions about their construction and operation.
Learning Point: Pupils can identify and differentiate between various aquaculture structures.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

What is aquaculture?
Mention two types of aquaculture systems.
State two examples of structures used in aquaculture.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 3 minutes
Teaching Skill: Summarization/Consolidation
Teacher’s Activity: The teacher summarises the key points of the lesson, reiterating the importance of aquaculture. The teacher gives pupils homework to draw and label a simple fish pond.
Pupils’ Activity: Pupils listen to the summary, ask any final questions, and note down the homework.
Learning Point: Pupils consolidate their learning and prepare for independent practice.

Lesson Keywords

Aquaculture – The farming of aquatic organisms like fish, crustaceans, and molluscs under controlled conditions.
Culture Fisheries – Another term for aquaculture, referring to the controlled cultivation of aquatic life.
Fish Pond – An artificial water body used for raising fish.
Concrete Fish Tank – A man-made container, usually rectangular or circular, used for intensive fish farming.
Floating Cage – A net enclosure set in a larger water body, used to confine fish while allowing water exchange.
Extensive Aquaculture – Low-intensity fish farming with minimal inputs and reliance on natural food.
Intensive Aquaculture – High-density fish farming with controlled conditions, high inputs, and advanced technology.

Differentiation

The teacher will provide additional support to struggling pupils by simplifying explanations and using more visual aids. Advanced pupils will be encouraged to research specific aquaculture practices in Nigeria and share their findings.

Note for teachers using this lesson plan

Teachers should ensure to use clear and simple language, especially when defining technical terms. Practical examples from the local environment should be incorporated where possible to make the lesson more relatable. Encourage pupils to ask questions and participate actively in discussions. Visual aids are particularly important for this topic.