Le black telescope fishalso known as the Black Moor, is an exciting variety of goldfish that is attracting the attention of aquarists around the world. Originally from Asia, this little swimmer with bulging eyes has captured the hearts of enthusiasts thanks to its unique appearance and peaceful temperament. As a pet shop floor manager, I've had the opportunity to get up close and personal with these intriguing creatures and discover what makes them tick. Let's dive into the captivating world of the black telescope fish!
Physical and behavioural characteristics of telescope fish
Le black telescope fish belongs to the Cyprinidae family and goes by the scientific name of Carassius auratus. Its main characteristic, which gives it its name, is the presence of bulging, protruding eyes. These unusual visual organs give it a unique appearance, but can unfortunately lead to vision problems over time.
In terms of size, this fish generally reaches 20 to 25 cm in adulthood, although some specimens can reach up to 30 cm. Its velvety black coat is its other major asset, giving it a very special elegance. However, it is not unusual for its colour to lighten over time, a phenomenon I have observed on several occasions in our pet shop.
Behaviour and sociability
Telescope fish are gregarious by nature, which means they enjoy the company of other fish. We recommend keeping them in groups of at least 5 to ensure their well-being. Despite its limited sight, this fish remains active and curious, exploring its environment with enthusiasm.
Longevity and health
With good care, black telescope fish can live for 10 to 15 years, or even 25 to 30 years in the best conditions. However, it is important to note that the fish's eyesight gradually deteriorates with age, and can even lead to blindness. Special attention must therefore be paid to its environment to make it easier to move around.
Habitat and care of telescope fish in aquariums
To ensure the well-being of your black telescope fish, it's important to provide it with the right environment. Here are the main points to bear in mind:
Aquarium size and layout
An aquarium of at least 50 to 60 litres per fish is needed to allow your telescope to flourish. Space is of the essence, because despite its limited swimming capacity, this fish needs to move around freely. I have always advised my customers to choose a spacious aquarium, even for a single specimen.
The design of the aquarium should take account of the fish's poor eyesight. Avoid decorations with sharp edges and opt for plants with soft leaves. A fine substrate and suitable hiding places will help to create a safe environment.
Water parameters and maintenance
To ensure the health of your black telescope fish, the following parameters must be respected:
- Water temperature: between 18°C and 24°C
- pH: from 7 to 7.5
- Efficient filtration and oxygenation system
Regular aquarium maintenance is essential. Plan weekly water changes of around 20% of the total volume. This routine, which I follow religiously myself, helps to maintain optimum water quality for your fish.
| Parameter | Recommended value |
|---|---|
| Temperature | 18°C - 24°C |
| pH | 7 – 7,5 |
| Minimum volume per fish | 50-60 litres |
Feeding and reproduction of the telescope fish
A balanced diet is essential to maintain your black telescope fish in good health. These cyprinids are omnivores and enjoy a variety of foods.
Diet
The telescope fish menu can include:
- Live food (daphnia, artemia)
- Frozen food
- Specialised flakes and granules
- Poached vegetables (spinach, courgettes)
Don't forget the importance of a regular vegetable intake. I always recommend that my customers vary their fish meals to stimulate their appetite and ensure a complete nutritional intake.
Reproduction
Telescope fish reproduce by laying eggs. A female can lay between 300 and 2,000 eggs per clutch. If you wish to rear fry, prepare a separate aquarium as the parents tend to eat their own eggs. It's an interesting spectacle that I've been lucky enough to observe on several occasions in our pet shop.
The black telescope fish: an aquarium gem
Le black telescope fish is much more than just an ornamental fish. Its presence brings a touch of exoticism and mystery to any aquarium. Despite its specific needs, it is a loyal and exciting companion for any keen aquarist.
Over the years, I've seen many enthusiasts fall under the spell of these beady-eyed creatures. Their unique appearance and placid behaviour make them the undisputed stars of our ponds. Whether you're a novice or an expert aquarist, the black telescope fish will surprise and amaze you day after day.
Don't forget that each fish is unique and may show variations in colour or behaviour. That's the charm of aquaristics! So, are you ready to dive into the black telescope fish adventure?
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