Oviposition and development in the glass frog Hyalinobatrachium orientale (Anura: Centrolenidae)

Nokhbatolfoghahai, M., Pollock, C. J. and Downie, J. R. (2015) Oviposition and development in the glass frog Hyalinobatrachium orientale (Anura: Centrolenidae). Phyllomedusa: Journal of Herpetology, 14(1), pp. 3-17. (doi: 10.11606/issn.2316-9079.v14i1p3-17)

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Oviposition and development in the glass frog Hyalinobatrachium orientale (Anura: Centrolenidae). Oviposition and external embryonic developmental features are described in the Tobago glass frog, Hyalinobatrachium orientale. Egg clutches are nearly always laid on the undersides of leaves (one exception); usually leaves of Heliconia sp. are used, but Philodendron and palms may be used in the absence of Heliconia. Clutches contain 28.0 ± 5.3 eggs (mean ± SD) and eggs are 1.86 ± 0.11 mm in diameter. The behavior of one amplectant pair was followed for more than five hours; the pair rotated several times around a small area of the leaf depositing eggs in a tight spiral formation. External embryonic features were observed by scanning electron microscopy. Surface ciliation is extensive up to the time of hatching when it is lost; external gills are short and a cement gland is absent. Hatching gland cells were detectable on the anterodorsal surface of the head from Day 4 after deposition and persisted until at least Day 10, and hatching occurred between Days 9 and 16. During this period, progressive development in tail length, surface pigmentation, intestinal coiling, and oral disc features was observed. Post-hatching larvae reared for six weeks grew 37% in length and tripled in weight, but remained at Gosner Stage 25.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Nokhbatolfoghahai, Dr Mohsen and Downie, Professor Roger
Authors: Nokhbatolfoghahai, M., Pollock, C. J., and Downie, J. R.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Phyllomedusa: Journal of Herpetology
Publisher:University of São Paulo
ISSN (Online):2316-9079
Copyright Holders:Copyright © 2015 Universidade de São Paulo - ESALQ
First Published:First published in Phyllomedusa: Journal of Herpetology 14(1):3-17
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher.

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