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African Dwarf Frog

From FishWiki
This is the approved revision of this page, as well as being the most recent.
African Dwarf Frog / ADF
Dwarf frogs are tiny and unique.
Dwarf frogs are tiny and unique.
Basic Information
Lifespan: 5-7 years
Size: 2.5 inches
Diet: Insectivore
Tank Size:
Shoaling/Schooling:
Minimum Group Size:
Water Parameters
Temperature: 72-78 F (22.2-25.5 C)
pH: 6.5-7.5
Hardness: Soft to hard
Behavior
Compatibility: Species-Only
Temperament: Peaceful
Swimming Level: Mid to Top

ADF (Hymenochirus boettgeri/curtipes)

Originating from the freshwater habitats of Central Africa, these petite amphibians, known as African Dwarf Frogs (ADFs), transcend conventional expectations with their endearing quirks and captivating charisma. Imagine a captivating aquatic realm where sophistication intertwines seamlessly with eccentricity, and an enchanting creature, no larger than your thumb, effortlessly becomes the focal point of your aquarium. These delightful frogs, belonging to the Hymenochirus genus, boast a unique blend of small size and big personality, making them the perfect aquatic companions for enthusiasts seeking an engaging and visually delightful addition to their underwater landscapes.

Behaviour

African dwarf frogs are highly social creatures that thrive in a communal setting. Despite their sociable nature, these frogs have limited eyesight and may unintentionally nip at the fins of fish, making it advisable to keep them in species-only setups. It is recommended to house them in groups of at minimum 3, with 5 being the preferred number for optimal social dynamics. They have a unique ability to "buzz" or call to one another underwater, catching many owners off guard.

Food

In the wild, african dwarf frogs feed on a variety of small aquatic invertebrates, such as insects, worms, and crustaceans. It's essential to maintain a varied and balanced diet. To meet their nutritional needs, include a combination of frozen and live foods. They prefer a mix of brine shrimp, bloodworms, blackworms, microworms, and tubifex. Providing a diverse range of foods is key to promoting their overall health. Additionally, incorporating appropriately sized insectivore pellets, soaked prior to feeding, can serve as a suitable staple in their diet. They should be fed around 2-3 times a week.

Housing

As highlighted earlier, fostering a social atmosphere is crucial for the well-being of dwarf frogs. To create an ideal environment, it is essential to provide an enclosure spacious enough for a group of at least 3–5 individuals. A recommended minimum tank capacity of 15 gallons (56 liters) is suggested, with an even better option being a 20-gallon long tank (75.7 liters) or larger for optimal comfort. Dwarf frogs thrive in a densely planted tank with ample resting spots at the water's surface, facilitating easy access to air. Given their limited eyesight, it's prudent to house them exclusively on a substrate of sand. Furthermore, exercise caution when selecting tank decor, ensuring that rocks are larger than the frogs' upper bodies to prevent potential choking hazards or impaction risks.

Natural Habitat

African Dwarf Frogs originate from the freshwater expanses of Central Africa, predominantly inhabiting slow-moving or stagnant waters like ponds, streams, and marshes within rainforests. These aquatic environments boast dense vegetation, submerged plants, and an array of hiding spots such as submerged branches and leaf litter. Reflecting the tropical climate of the region, the water in their native habitat is typically warm with varying temperatures. Some locations may even demonstrate characteristics of blackwater conditions. The substrate in their natural setting is diverse, composed of mud, sand, or a combination of both, providing them with the ability to burrow for protection and refuge from challenging environmental conditions. Their habitat undergoes seasonal changes, marked by fluctuations in water levels and temperature, which significantly influence their behavior, breeding patterns, and overall life cycle.

Health

African Dwarf Frogs are well-known for their resilience and rare vulnerability to illnesses. While these aquatic creatures are generally robust, instances of illness are usually associated with water parameter issues rather than inherent fragility. Proper care, akin to that for fish, involves maintaining optimal conditions in their aquatic habitat to ensure the well-being of African Dwarf Frogs. It's important to note that, like other aquatic reptiles or amphibians, they may carry the salmonella bacterium. Therefore, caution is advised during water changes.

Breeding

Breeding African dwarf frogs is a straightforward process that often occurs naturally without the need for additional attention from the owners. After the eggs are laid, it is recommended to transfer them to a separate, clean, and cycled aquarium equipped with a heater for the tadpoles to develop. Maintain a water temperature between 76-80 degrees F (24.4-26.6 C). The tadpoles once hatched are carnivorous, and their diet should consist of live prey such as daphnia, baby brine shrimp, and other live micro-invertebrates. It's crucial to note that powdered diets for fish fry or other substitutes are ineffective, as these frogs hunt based on movement.

As the tadpoles grow and develop legs, they can be transitioned to a diet similar to that of adult frogs. Once the froglets reach maturity, they can be introduced to a tank with other African dwarf frogs of comparable size.

Tankmates

African dwarf frogs are not well-suited for communal living with other fish. Due to their limited eyesight, they tend to react to movement by biting, inadvertently nipping at fish. Additionally, their slow movements make them susceptible to bullying, hindering their ability to eat. It is advisable to house them in setups exclusive to their species, meaning that only African dwarf frogs should inhabit the enclosure.

Aquarium Setup

For an ideal African Dwarf Frog aquarium setup, consider the following:

Tank Size: A tank of 15 gallons (56 liters) is suggested for a small group of 3-5.

Substrate: Fine-grain sand is the only safe substrate for these frogs.

Plants: Keep the tank heavily planted with live plants, providing sparse floating plants such as guppy grass or hornwort for them to rest on up top.

Lighting: Basic full-spectrum plant lighting is suggested with a day-night cycle of 12 hours on, 12 off. Adjust to fit your schedule if need be.

Filtration: They require soft and delicate water flows; using a sponge filter would be ideal.

Water Parameters: Aim for a temperature range of 72 to 78°F (22.2 to 25.5°C), pH between 6.5 to 7.5, GH of 5 to 20 dGH, and KH of 4 to 8 dKH. Regular water changes are crucial to maintaining optimal water conditions.

Behavioral Traits

African dwarf frogs are recognized for their natural inclination to burrow into the substrate in the wild, often concealing themselves with only their eyes visible. These frogs are primarily active during the night, being nocturnal. They exhibit increased responsiveness and engage in activities like swimming and feeding when the lights are dimmed. African dwarf frogs possess the ability to float on the water's surface, utilizing their lungs to breathe air. This behavior is normal and serves to supplement their oxygen intake by allowing them to gulp air. They frequently rest on plants and floating debris along the water's surface. While not always perceptible to humans, African dwarf frogs can emit vocalizations, described as soft clicks, buzzes, or chirps. These sounds play a role in their communication, especially during breeding and conflicts between individuals.

Varieties

There are specifically two recognized types, or species, of African dwarf frogs: Hymenochirus boettgeri and Hymenochirus curtipes.

Conservation Status

Unknown/"Not Extinct"

Notable Facts

Unlike many other frogs, African dwarf frogs are fully aquatic, spending their entire lives in water. They do not require land areas in their habitat. With proper care, African dwarf frogs can live for several years in captivity. Their average lifespan is around 5 to 7 years, although some individuals may live even longer. African dwarf frogs are opportunistic feeders and have a unique feeding behavior. They hunt for food by snapping their jaws and using their sticky tongues to catch prey, such as live or frozen foods. While African dwarf frogs have lungs and can breathe air, they also absorb oxygen through their skin. This adaptation allows them to extract oxygen from both air and water. In the wild, African dwarf frogs may undergo a period of dormancy or hibernation during the dry season when water levels decrease. They can survive in moist mud until the rains return.