Micryletta inornata (Boulenger 1890), the type species of the genus Micryletta, was originally described from the island of Sumatra in Indonesia. Subsequently, this species has been widely reported from Sundaland (Sumatra and Malay Peninsula), Indo-China, Northeast India and South Andaman, up to southern China and Taiwan. However, since the original description there has been no further report of this species from the type locality or the island. During a herpetofaunal survey in Sumatra, several specimens that are morphologically concordant with the original description and the syntypes of M. inornata were found, and thus the species was rediscovered after 125 years. Here, we provide a redescription of the species based on the freshly collected specimens, along with a detailed morphological and molecular comparison with known congeners. Further, using molecular data from the mitochondrial 16S rRNA gene, our study recovered the Sumatran M. inornata as a phylogenetically distinct lineage from all other populations previously referred to this species. This confirms that all known Micryletta ‘inornata’ populations from regions outside Sumatra constitute several other lineages representing either new species or previously available names currently considered as synonyms, consequently requiring taxonomic validation in the future.
A new species of frog in the genus Microhyla is described from Sumatra, Indonesia based on molecular and morphological characters. This new species was previously confused with M. achatina, a Javan endemic. This new species is diagnosable from its congeners by possessing a medium size (SVL in adult males 18.20–21.32 mm, in adult females 20.37–25.51 mm), a stout body, a nostril–eyelid length being about half of the snout length, having a single outer palmar tubercle, a tibiotarsal articulation reaching the center of the eye (when the hindlimbs are stretched and adpressed to the body), having finger and toe tips dilated, having the dorsum with medial longitudinal grooves, and excibiting a very thin and short dark stripe on the temporal region above a wider cream stripe, extending from the postorbital area to insertion of forelimb. Additionally, the new species is characterized by possessing relatively little foot webbing. Uncorrected 16S rRNA sequence divergences between the new taxon and sequences for other congeneric species available ranged from 4.8 to 15.0%.
Anak pada usia 10-12 tahun umumnya mulai memasuki masa praremaja atau awal masa pubertas. Permasalahan status gizi pada anak usia praremaja ini dapat berdampak buruk terhadap pertumbuhan, perkembangan, produktivitas serta kecerdasan anak sehingga kegiatan ini penting untuk dilakukan. Pemeriksaan status gizi anak dilakukan di SDN 159 Bengkulu Utara secara khusus pada anak berusia 10-12 tahun dengan tujuan untuk mengetahui status gizinya berdasarkan nilai Indeks Massa Tubuh (IMT), dan mengedukasi anak akan pentingnya tubuh yang sehat serta pentingnya memilih makanan yang sehat. Pengambilan data dilakukan menggunakan metode purposive sampling terhadap anak yang memenuhi syarat inklusi. Berdasarkan hasil pemeriksaan status gizi dari 60 orang anak, 78,3% berada dalam kategori status gizi normal, 3,3% kategori kurus, 8,4% gemuk, 10% obesitas, dan tidak ditemukan anak dengan kategori sangat kurus. Anak-anak sudah mampu memahami pentingnya tubuh yang sehat serta pentingnya memilih makanan yang sehat. Anak-anak secara sederhana sudah mampu mendefinisikan tubuh yang sehat dan tidak sehat, mampu mengidentifikasi contoh makanan bergizi dan makanan yang kurang bergizi. Kegiatan ini merupakan kegiatan yang baik dan bermanfaat baik untuk anak, orang tua ataupun sekolah dalam meningkatkan kepedulian terhadap pentingnya tubuh yang sehat dan gizi yang baik.
A tiny new species of narrow-mouthed frog of the genus Microhyla is described from the island of Belitung and southeastern Sumatra, Indonesia. The most distinctive feature of the new frog is its diminutive adult size, snout-vent length ranging only from 12.3 to 15.8 mm in adult males. Phylogenetic analyses based a fragment of the mitochondrial 16S rRNA gene, along with detailed morphological and acoustic comparison differentiate the new taxon from all known congeners. The new species, formally described as Microhyla sriwijaya sp. nov., is a member of the M. achatina species group and the sister taxon to M. orientalis. It is diagnosable from other congeners by a combination of characters: (1) smaller male snout-vent size < 16 mm; (2) snout obtusely rounded in dorsal view; (3) absence of mid-dorsal line and skin fold; (4) first finger reduced (finger I length less than half of finger II length); (5) dorsum with a prominent dark median mark extending posteriorly, narrow anteriorly near the level of the shoulder and expanding dorsolaterally up to the vent; margins of the dorsal marking concave with broad reddish-brown or orange colouration on either side; (6) foot webbing rudimentary, reaching just up to the first subarticular tubercle on all toes; (7) dorsal skin with prominent tubercles, especially in life; (8) tibiotarsal articulation of adpressed limb reaching beyond the snout tip; and (9) males produce a single type of call with pulsatile temporal structure, calls of relatively short duration ranging between 31.8–62.8 s, with two to three pulses delivered at a rate ranging between 32.2–36.0 pulses per second, and the mean overall dominant frequency of 4.3 kHz. The uncorrected pairwise genetic distances between Microhyla sriwijaya sp. nov. and all other known congeners are > 3.8% for the studied 16S gene fragment. The new species was discovered from wayside rural areas with oil palm plantations at four localities in the small island of Belitung (type locality), and from coffee plantation and secondary forest at Lampung in southeastern Sumatra. It is not known from any protected area and appears to be threatened due to tin mining activity, intensive logging, oil palm, and other commonly practiced agriculture activities.
Abstract. Gonggoli AD, Atmajaya VY, Kadafi AM, Arida EA, Hamidy A. 2023. Limnonectes from Enggano Island (Indonesia) with comments on its taxonomic status. Biodiversitas 24: 473-480. Limnonectes shompenorum is a fanged frog known to be distributed in the satellite islands of the western coast of Sumatra and some parts of mainland Sumatra. This frog was also recorded in Enggano Island, but the taxonomic status and morphological data information still need to be studied. Herein, we examined L. shompenorum from Enggano Island based on molecular methods using the 16S rRNA gene and redescribed its morphological characters. The phylogenetic trees were constructed using Neighbor-Joining (NJ), Maximum Likelihood (ML), and Bayesian Inference (BI) analysis, and morphological measurements were taken using 23 characters. The results demonstrate that L. shompenorum is a monophyletic group and a sister taxon of L. macrodon. The monophyletic group of L. shompenorum consists of two clades (A and B) with relatively large genetic distances within the population (0.00-5.10%), representing distinct interspecific lineages. Clade A consists of the Enggano population with a genetic distance within the population of 0.00-0.48%, and clade B consists of the Mentawai Islands and Mainland Sumatra with a genetic distance within the population of 1.48-2.74%. The Enggano population is closer to the Mentawai population (2.47-2.74%) than the Sumatra population (3.52-5.10%). Our genetic data aligns with previous studies that indicate the Enggano population possibly comes from the Mentawai population. Morphologically, L. shompenorum from Enggano Island is similar to the original description, however it has consistent, distinctive characteristics by having the fourth finger longer than the second finger in females. Further research using broader molecular data, including the holotype population, is needed to confirm the taxonomic status of L. shompenorum.
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