Painted Terrapin Hatchlings Released into River. All are marked with Pit Tags for future monitoring.
The hatchling of Painted Terrapin (Batagur borneoensis) that raised at rearing ponds of Satucita’s Conservation Center growth well for second month. The average length of carapace for May is 8.1 cm or increase 1.9 cm compared to April or increase 3.7 cm compared to March. The average length of carapace on March is 5.4 cm and on April is 6.2 cm.
It shows that during about two months raised at rearing ponds their carapace length have growth about 3.9 cm or increased 72 percent. These hatchlings will released into habitat on August.
In Bahasa Indonesia:
Tukik (anakan) Tuntung Laut (Batagur borneoensis) yang dibesarkan di kolam pembesaran Pusat Pelestarian Satucita tumbuh dengan baik untuk bulan ke dua. Panjang karapas rata-rata untuk bulan Mei adalah 8,1 cm atau meningkat 1,9 cm dibandingkan dengan bulan April atau meningkat sepanjang 3,7 cm dibandingkan bulan Maret. Panjang rerata untuk Maret adalah 5,4 cm dan untuk bulan April 6,2 cm.
Hal ini menunjukkan bahwa selama sekitar dua bulan dibesarkan di kolam-kolam pmebesaran, panjang karapas mereka telah bertambah sepanjang 3,9 cm atau meningkat sebesar 72 persen. Anakan ini akan dilepaskan kembali ke habitat pada bulan Agustus.
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After about a month raised at headstarting facility, the hatchlings of Painted terrapin (Batagur borneoensis) are growth well. On 4 of May measurement, the average weight is 49 gram, length of carapace is 6,2 cm and width of carapace is 5,8 cm. In previous measurement on 30 March, their average weight was 41 gram, length of carapace 5,4 cm and width of carapace 5,1 cm. It can be said that average growth for April is 16 percent. To monitoring the individual growth, each hatchling marked with number on plastron.
Conservation of freshwater turtles, tortoise and terrapin must be based on the natural behavior. Currently, the hatchlings are raised in two ponds at our headstarting facility. Fifty hatchlings are in a larger pond and the rest are in another smaller pond. This is to give larger space for them to swim or move in the ponds. Water in the ponds is replaced twice a week to keep the cleanliness of the ponds. Water salinity and pH are also controlled.
In Bahasa Indonesia:
Setelah sebulan dibesarkan di fasilitas pembesaran, bayi kura-kura tumbuh dengan baik. Saat ini, berat rata-rata mereka adalah 4,7 gram, panjang karapas 6,2 cm dan lebar karapas 5,8 cm. Saat pengukuran sebelumnya pada tanggal 30 Maret, berat rata-rata hanya 4,1 gram, panjang tempurung 5,4 cm dan lebar tempurung 5,1 cm. Terjadi pertumbuhan rata-rata untuk bulan April sebesar 16 persen. Untuk memantau pertumbuhan individu, setiap bayi kura-kura ditandai dengan nomor di plastron.
Pelestarian kura-kura, termasuk merawat kura-kura, harus didasarkan pada perilaku alamiah mereka. Saat ini, keseluruahn anak kura-kura dibesarkan di dua kolam yang ada di fasilitas pembesaran. Sebanyak 50 ekor di kolam yang berukuran lebih besar, sedangkan sisanya sebanyak 30 ekor di kolam yang lebih kecil. Hal ini dilakukan untuk memberikan ruang yang lebih besar bagi mereka untuk berenang dan bergerak di dalam kolam. Air di kolam diganti dua kali seminggu untuk tetap menjaga kebersihan kolam. Tingkat salinitas dan keasaman air juga dikontrol setiap minggu.
Hingga saat ini, makanan dikombinasikan dari kangkung (Ipomoea aquatica), buah berembang (Sonneratia sp.) dan pelet.
Oldham turtle (Cyclemys oldhami) or Kura-kura Oldham is a medium sized turtle, that can grow up to 15 – 24cm. Very similar to Cyclemys dentata. They have webbed feet and are highly aquatic, especially as juveniles, however, they tend to become more terrestrial as they get older with adults spending more time on land. This species is omnivorous, feeds on fruit, carrion, fish and crustaceans. 7 to 10 eggs laid up to 3 times per year.
Inhabit streams in mountain forests. Their geographic range extends from Sumatra, Kalimantan, Java. They are also found on a few Indonesian islands (Borneo, Bali, Java and Sumatra). It is uncertain whether or not their range extends into China. In IUCN they listed as Near Threathened.
Forest Soft-shell Turtle (Dogania subplana) or Labi-labi hutan or Bulus hutan (local name in Indonesia), is an elusive species of clear, fast-flowing streams and quiet muddy backwaters. Lying partly submerged in the substrate, the distinctive patterning helps in its camouflage. However, the pairs of eyespots or ocelli on the carapace tend to stand out.
The neck is long : the upper surface bears longitudinal stripes and the underside is orange in colour. The head is relatively large and the nose tubular in shape, contributing to its charming appearance. The forefeet are greenish.
The species ranges from Kalimantan, Sumatra, the Natuna Islands, Java. Can grow up to carapace length about 35 cm. Local people often eat this species. This species is listed in IUCN as Least Concern.
Labi-labi china (local name) or Chinese soft-shell (Pelodiscus sinensis) turtle has a oval carapace without scutes. It is smooth and leathery in adults, while juveniles have rows of small bumps along the back. The plastron in adults is cream, grey or yellow with no patterns, while juveniles have pinkish-red plastrons with black blotches. The body is olive to greyish-green and are unpatterned in adults, with light spots and fine radiating black lines around the eyes in juveniles. It grows to 25 cm long.
This freshwater turtle is non native to Indonesia. Spread to Indonesia estimated about 1970 when imported to meet the local demand for consumption. High demand make local businnes owner tried to breed it. But, due to the decreasing in local demand make this was lost profit and could not continue. Then, the business could not manage the ponds (in hectares). Thousands individuals of this species spread to rivers in City of Medan and now spread anywhere become invasive.
The Chinese Softshell Turtle inhabits freshwater habitats including ponds, marshes and rivers. It usually stays buried in the substrate to ambush its prey and is rarely seen basking. It feeds on small invertebrates including mussels and insects. Oviparous; clutches comprise of 9–28 eggs and incubation takes about 40–80 days.
This softshell turtle is non native for Indonesia and considered as invasive species. IUCN: Vulnerable
Tuntung sungai is Indonesian name for this species. The southern river terrapin (Batagur affinis) is a turtle of the Batagur family found in Malaysia, Indonesia and Cambodia. This species is protected in Indonesia. Spread in Sumatra and Kalimantan. Very rare to find in the wild, even in collectors. A survey in east cost Sumatra could not find the specimen, although local people can identify this species. They have four claw. Nesting season is estimated February to April in Indonesia.
Many Asian turtles are in danger because of the thriving trade in animals in the region, where a species’ rarity can add to its value on a menu or as a traditional medicine. An effort to find the colony and conserve this species is on progress by Satucita Foundation.