Carvalho`s Surinam toad — Carvalho's Surinam Toad (Pipa carvalhoi) 3.5-6 cm

Overview

Carvalho's Surinam toad (Pipa carvalhoi) is one of the most unusual amphibians available to specialist aquarists. This fully aquatic toad spends almost all of its life in water, relying on stealth, camouflage and a highly specialised feeding style rather than jumping or climbing like typical toads. Reaching a modest adult size, it is a fascinating choice for experienced keepers who want something genuinely different from the usual aquarium species.

This species is best appreciated in a calm, well-maintained aquarium with soft substrate, subdued lighting and plenty of resting places. It is not a display fish in the traditional sense, but an extraordinary aquatic amphibian with a prehistoric look and captivating behaviour. Because it is a specialist animal, it is best suited to keepers who are confident with water quality, feeding live or frozen foods, and providing a secure, escape-proof setup.

At Tropical Fish Co, we supply healthy, carefully acclimatised livestock with a live arrival guarantee and fast UK delivery, so your new amphibian arrives in the best possible condition.

Care at a Glance

Origin & Natural Habitat

Pipa carvalhoi is native to parts of eastern Brazil, where it inhabits slow-moving or still freshwater environments. Like other members of the genus Pipa, it is adapted to a life spent in the water rather than on land. In nature, these toads are typically associated with quiet pools, marshy areas, and vegetated waters where they can remain hidden among leaf litter, submerged plants and soft sediments.

The species has evolved a flattened body shape and cryptic coloration that help it blend into the substrate. Its natural history is especially remarkable because the genus Pipa is famous for unusual reproductive behaviour, with eggs and developing young carried in a specialised manner by the female. This makes the species of great interest to amphibian enthusiasts and breeders, although successful captive breeding is generally considered specialist work.

Tank Setup & Water Parameters

A well-designed aquarium is essential for the long-term health of Pipa carvalhoi. The tank should be fully covered, as amphibians can escape through surprisingly small gaps. Use a soft, fine substrate or keep the base bare-bottomed for easier maintenance. Avoid sharp gravel and rough décor that could damage delicate skin.

Provide gentle filtration with minimal current, as these toads prefer calm water. Sponge filters or very low-flow internal filters are usually ideal. Add hiding places such as smooth driftwood, broad-leaved plants, caves, and shaded areas so the animal can feel secure. Lighting should be subdued; bright, intense light can cause stress.

Stable water quality is critical. Ammonia and nitrite must always remain at zero, and nitrate should be kept as low as possible through regular partial water changes and sensible stocking. As with all amphibians, avoid copper-based medications and any products not specifically safe for amphibians.

Recommended parameters:

• Temperature: 22-26°C
• pH: 6.5-7.5
• Water hardness: soft to moderately hard
• Filtration: gentle, low flow
• Decor: soft substrate, hides, plants, low light

Because this species is fully aquatic and relatively sedentary, it is important to provide enough floor space rather than a tall tank. A single adult can be kept in an aquarium of around 80 litres or more, with larger setups preferred for easier maintenance and improved water stability.

Feeding Guide

Pipa carvalhoi is a carnivore and should be offered a varied meaty diet. In captivity, it will usually accept appropriately sized frozen and live foods such as bloodworm, blackworm, small earthworms, chopped nightcrawlers, daphnia, mysis, and other soft aquatic invertebrate foods. Some individuals may also take small prepared amphibian or carnivore pellets, but live and frozen foods are typically the most reliable.

Feed small portions several times per week rather than large meals. Overfeeding can quickly lead to poor water quality and obesity. Because these toads are not active hunters in the same way as fish, food may need to be offered directly near the animal using feeding tongs or a target feeding method. Remove uneaten food promptly.

Variety is important for nutritional balance. If using predominantly frozen foods, consider supplementation where appropriate and seek specialist advice from an amphibian-experienced vet or keeper if you are unsure about diet planning.

Tank Mates / Compatibility

This species is best kept either singly or with great caution in a species-only setup. Although generally peaceful, it is a specialised predator and may attempt to eat any tank mate that fits into its mouth. It also has delicate skin and a calm nature, so boisterous fish or active invertebrates are not suitable companions.

Suitable tank mates are limited and should only be considered by experienced keepers with a very carefully planned aquarium. In most cases, a species tank is the safest and most successful option. If you do choose to house it with other animals, select peaceful, non-nippy species that will not compete aggressively for food and that are too large to be swallowed.

Always monitor feeding closely. Amphibians can be outcompeted by faster tank mates, and any signs of stress, refusal to feed, or damaged skin should prompt immediate review of the setup.

Why Buy from Tropical Fish Co

At Tropical Fish Co, we understand that specialist amphibians need careful handling, expert packing and reliable delivery. That is why we focus on healthy livestock, clear care information and a service designed for confident online ordering. Your Pipa carvalhoi will be sent with our live arrival guarantee and fast UK delivery, helping ensure a smooth journey from our facility to your aquarium.

We recommend this species for experienced keepers who appreciate rare and unusual animals. If you are prepared to provide the right environment, Carvalho's Surinam toad offers a truly unique aquarium experience and a chance to keep one of nature's most extraordinary aquatic amphibians.