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Revision as of 03:26, 20 July 2022
Niveau d'aptitude
2
An
1945
Version
16.11.2024
Autorité approbatrice
Conférence Générale
1. Nommer dix familles de poissons.
2. Nommer et identifier dix poissons tropicaux (y compris les poissons d’aquarium).
- a. Expliquer leur façon de frayer.
- b. Connaître le pays dans lequel ils vivent.
3. Nommer dix poissons du pays. Connaître la manière dont ils se nourrissent et dont ils se reproduisent. Nommer cinq poissons de mer et connaître leur manière de se nourrir et de se reproduire.
4. A quoi servent:
- a. Les nageoires dorsales
- b. Les nageoires pectorales
- c. Les nageoires pelviennes
- d. Les nageoires anales
- e. Les nageoires caudales
- f. Les opercules
- g. La vessie natatoire
- h.
Barbels
- i.
Swim bladder
- j.
Gills
State briefly the proper care and feeding of fishes of:
- a. Tropical zone
- b. Temperate zone
Fill an aquarium containing at least five gallons of water with a balance of plants and fishes, either tropical or native, and maintain the same for at least six months.
Note the effect of the following on the fishes and aquarium in general:
- a.
Too much light
- b.
Too little light
- c.
Overfeeding
- d.
Excessive change in water temperature
- e.
Too few plants and too many fishes
