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Freshwater Aquariums

Freshwater aquariums are both fun and educational. Questions about the operation of the freshwater aquarium itself, filtering systems, best fish mixtures, and other environmental factors are asked and answered here.

5,172 Questions

Why do swordtails hide in a new tank?

Swordtails may hide in a new tank due to stress and acclimatization to their unfamiliar environment. The change in water conditions, tank decor, and the presence of new tank mates can be overwhelming for them. Hiding helps them feel secure as they adjust to their surroundings and establish a sense of territory. It's a natural behavior that typically subsides as they become more comfortable in their new home.

Why does your puffer fish lay on the bottom of tank and not eat?

A puffer fish may lay on the bottom of the tank and refuse to eat due to stress, illness, or poor water quality. Factors such as high ammonia or nitrite levels, incorrect temperature, or inadequate tank mates can contribute to its condition. Additionally, if the fish is experiencing any physical ailments, such as parasites or internal issues, it may exhibit lethargy. It's crucial to monitor water parameters and consult an aquarium specialist if the behavior persists.

Do you need to separate the pregnant balloon belly molly from the other fish tank?

Yes, it's advisable to separate a pregnant balloon belly molly from the other fish in the tank, especially as she approaches her due date. This helps reduce stress for the pregnant fish and increases the chances of survival for the fry, as adult fish may eat the newborns. Providing a separate breeding tank allows for a safer environment for the fry to grow.

What is a saltwater tank used for in an oilfield?

In an oilfield, a saltwater tank is primarily used for the storage and management of produced water, which is a byproduct of oil and gas extraction. This produced water often contains dissolved salts and other contaminants, making it saline. The tank facilitates the separation, treatment, and disposal of this wastewater, ensuring environmental compliance and minimizing the impact on surrounding ecosystems. Additionally, saltwater tanks can also be utilized for brine storage or as part of enhanced oil recovery processes.

What is the meaning of 'tetras'?

'Tetras' typically refers to a group of small freshwater fish belonging to the family Characidae, commonly found in South American rivers. They are popular in the aquarium trade due to their vibrant colors and schooling behavior. Additionally, 'tetras' can also refer to a type of four-sided geometric shape in mathematics or a prefix meaning 'four' in various contexts.

Where does California's salmon come from?

California's salmon primarily come from the state's rivers and streams, particularly the Sacramento and San Joaquin River systems. These waterways serve as critical habitats for several salmon species, including Chinook, coho, and steelhead. Many salmon also originate from hatcheries that support both wild populations and commercial fishing. Additionally, some salmon migrate from the Pacific Ocean back to their spawning grounds in California's freshwater systems.

Can diamond tetras eat neon tetras?

No, diamond tetras do not eat neon tetras. Both species are small, peaceful freshwater fish that coexist well in community tanks. They have similar dietary needs, primarily feeding on small flakes, pellets, and live or frozen foods. It's important to ensure that both species are kept in appropriate group sizes to reduce aggression and stress.

What temperature do mollies live in?

Mollies thrive in water temperatures ranging from 72°F to 82°F (22°C to 28°C). They prefer warmer conditions, so maintaining a stable temperature within this range is essential for their health and well-being. Additionally, it's important to ensure that the water is well-oxygenated and clean to support their active lifestyle.

Do glow light tetras regrow fins?

Yes, glow light tetras, like many other fish species, have the ability to regrow their fins if they are damaged or injured. This regenerative ability depends on the extent of the injury, the overall health of the fish, and the conditions of their environment. Providing a clean habitat, proper diet, and minimizing stress can enhance their healing process. However, regrowth may take time, and the new fins may not always perfectly match the original ones in appearance.

Can cherry and tiger barbs live together?

Cherry barbs and tiger barbs can potentially coexist in the same aquarium, but caution is needed. Tiger barbs are known for their nippy behavior and can be aggressive, especially in smaller groups. Ensuring a spacious tank and keeping both species in larger schools can help mitigate aggression. It's best to monitor their interactions closely to ensure a peaceful environment.

How old is a male platy when it breeds?

Male platys typically reach sexual maturity and are able to breed at around 3 to 4 months of age. However, individual maturity can vary based on factors such as genetics, diet, and environmental conditions. Once mature, male platys can breed throughout their life, as long as conditions are suitable.

Are Bluegills bottom feeders?

No, bluegills are not typically considered bottom feeders. They are primarily foragers that feed in the water column and near the surface, consuming insects, zooplankton, and small fish. While they may occasionally forage near the bottom, they do not primarily feed there like true bottom feeders such as catfish or carp.

Why is your tiger barb swimming on its side?

A tiger barb swimming on its side could indicate a few potential issues, such as swim bladder disease, which affects the fish's buoyancy, or stress from poor water quality or tank mates. It might also be a sign of illness or injury. It's essential to assess the water parameters and the overall health of the fish, and consider isolating it if necessary for further observation and treatment.

How many mollies are on earth?

It's difficult to provide an exact number of mollies on Earth, as they are a diverse group of fish that include various species within the Poecilia genus, such as the popular freshwater aquarium fish, the sailfin molly. Their populations can vary widely based on habitat, environmental conditions, and human impact. Additionally, mollies are widely bred in captivity for the aquarium trade, complicating estimates of their total numbers. Overall, while specific population counts are not readily available, mollies are abundant in their natural habitats.

Is a picostimus a tetra or marine?

A picostimus is not a tetra or a marine fish; it is a type of freshwater catfish belonging to the family Loricariidae, commonly known as plecos. These fish are typically found in rivers and streams in South America. Tetras are a separate group of small freshwater fish, while marine fish inhabit saltwater environments.

Can guppies live in the same tank as Malawi fish?

Guppies and Malawi cichlids should generally not be kept together in the same tank. Malawi cichlids are territorial and can be aggressive, which can stress or harm smaller, peaceful fish like guppies. Additionally, the water parameters preferred by each species differ, with cichlids typically requiring harder, more alkaline water. It's best to house these fish in separate tanks that cater to their specific needs.

Can you put bleach in your toilets holding tank?

It's not recommended to put bleach in your toilet's holding tank, as it can damage the rubber and plastic components of the toilet, leading to leaks or malfunctions. While bleach can disinfect, it may also react negatively with other chemicals used in septic systems or plumbing. Instead, consider using toilet cleaners specifically designed for that purpose to maintain hygiene without risking damage.

How many tetras are there?

The term "tetras" refers to a family of small freshwater fish known as Characidae, which includes various species commonly kept in aquariums. There are over 150 recognized species of tetras, with popular examples including the Neon Tetra, Cardinal Tetra, and Rummy Nose Tetra. Each species varies in size, color, and habitat preferences. The exact number may fluctuate as new species are discovered and classified.

Is class actinopterygii endothermic?

The class Actinopterygii, which includes most bony fish, is primarily ectothermic, meaning they rely on external environmental temperatures to regulate their body heat. However, some species within this class, such as certain tunas and billfish, exhibit regional endothermy, allowing them to maintain higher body temperatures in specific tissues, which enhances their swimming performance and metabolic efficiency. Overall, the majority of actinopterygian fish do not possess true endothermic capabilities.

Can guppies eat coriander leaves?

Yes, guppies can eat coriander leaves in moderation. While they primarily thrive on a diet of high-quality fish flakes, pellets, and live or frozen foods, adding small amounts of chopped coriander can provide some variety and additional nutrients. However, it's essential to ensure that any new food is introduced gradually to avoid digestive issues. Always rinse the coriander to remove any pesticides or contaminants before offering it to your fish.

Can Cynotilapia cichlid and kribensis cichlids be bread with each other?

Cynotilapia cichlids and kribensis cichlids belong to different genera and have significant differences in their breeding behaviors, habitats, and genetic makeup. As a result, they are generally not compatible for crossbreeding. While some cichlid species can hybridize, it is unlikely that these two would successfully produce viable offspring. Therefore, breeding between Cynotilapia and kribensis is not feasible.

Liquid egg white in tetra pacK?

Liquid egg whites in Tetra Pak are a convenient and versatile cooking ingredient, often used in various recipes for baking, protein shakes, and healthy meals. They are pasteurized, making them safe to consume raw, and have a long shelf life due to the packaging. This product is ideal for those looking to reduce cholesterol intake since it contains no yolk, providing a high-quality protein source. Tetra Pak packaging also ensures freshness and easy storage, making it a popular choice for home cooks and fitness enthusiasts.

How can you tell if your a steril female?

To determine if you are a sterilized female, you should consider whether you have undergone a surgical procedure such as tubal ligation, which prevents pregnancy by blocking the fallopian tubes. Symptoms or signs of sterilization are usually absent, but if you are unsure, consulting a healthcare provider for tests or an evaluation can provide clarity. Additionally, if you have not been able to conceive after attempting to become pregnant for a significant time, it may be worth discussing fertility concerns with a doctor.

Why does my pleco keep floating?

If your pleco is floating, it could be due to swim bladder issues, which can result from overfeeding, poor water quality, or stress. Additionally, if it's not able to regulate its buoyancy properly, it may be trapped air in its digestive system. Ensure your pleco has a balanced diet, monitor water conditions, and consider reducing feeding to see if the behavior improves. If the problem persists, consult an aquarium specialist or veterinarian.

What is a TETRA mast?

A TETRA mast is a structure used to support antennas for TETRA (Terrestrial Trunked Radio) communication systems, which are widely utilized in emergency services and public safety networks. These masts facilitate reliable, secure, and efficient communication for users such as police, fire, and medical services. TETRA masts are designed to provide extensive coverage and can be equipped with multiple antennas to handle various frequencies and communication needs.