LAKES/WATER, FISHES
Name of exercise: Recognizing fishes
Size of the group | 2-6 |
Age of the members | 5+ |
Equipment/ working environment | Paper, pens, fishes, for example rainbow trout, pike perch, perch, vendace(whitefish) |
Aims | Recognize common Finnish fishes |
Remarks | Important that fishes are whole, then every part from the fish are recognizable |
Description of the exercise:
Clients need to recognize common Finnish fishes.
Instructions for the adviser:
- Put fishes on a table, that clients can recognize them.
- Put on the table also the picture, on which certain parts of a fish are numbered.
- Give clients directions and equipments to do the task.
- During the assessment of work results, advisor can bring out for example following matters:
Identification marks of a rainbow trout:
- rainbow trout has so soft scales, that you hardly recognize them scales
- near to the tail is a small adipose fin, as all salmonoids have
- the back dark gray
- on the side runs a red – -green side line
- the flesh is pink
- rainbow trout is in Finland cultivated fish
Identification marks of a perch:
- the scales of a perch are very rough
- two back fins, from those in the first one very sharp thornes
- ventral fins are red, that is sure identification mark of a perch
- on the sides is serrate figure
Identification marks of a pike perch:
- the scales are small and stick fast on the skin
- two back fins, from those in the first one very sharp thornes
- the skin color is totally light gray
- the flesh is white
Identification marks of a vendace:
- a vendace has soft hardly notiseable scales
- rather small fish
- hear to the tail is a small adipose fin
- the skin color of a vendace is silver gray
- very small vendaces are called niidle vandaces On the picture: rainbow trout, perch
and vendace
Instructions for clients:
Regocnize the fishes and write the names on the paper in Finnish, German and English.
LAKES/WATER, FISHES
Name of exercise: Recognizing some parts of a fish
Size of the group | 2-6 |
Age of the members | 5+ |
Equipment/ working environment | Paper, pens, picture of a fish, a fresh fish for instance a perch, task card. |
Aims | To recognize some parts of a fish, learn anatomy of a fish |
Remarks | Important that a fish is whole, then every part from the fish is recognizable |
Description of the exercise:
Clients have to recognize some parts of a fish and write the names on the picture of a fish. They can examine the parts from the fresh fish.
Instructions for the advisor:
- Put picture where is numbered fish part to the table. And fresh fish to help with recognizing.
A: 1. Dorsal fin 2. Pectoral fin 3. Tailfin 4. Operculum 4. Eye
- Give clients directions and equipments to do the task.
Instructions for clients:
- Name numbered fish parts from picture in Finnish, German and English. Fresh fish help with recognizing.
Link to worksheet (including solutions)