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opencc-by-4.0Dec 2019View details →

Figure 7 in A new species of Day Gecko of the genus Cnemaspis Strauch, 1887 (Squamata: Gekkonidae) from the Nilgiri Hills, Tamil Nadu, India

Figure 7. Type locality map of Cnemaspis anandani sp. nov.

opencc-by-4.0Sep 2019View details →

Fig. 5 in First record of the Cat Ba Tiger Gecko, Goniurosaurus catbaensis, from Ha Long Bay, Quang Ninh Province, Vietnam: microhabitat selection, potential distribution, and evidence of threats

Fig. 5. Predicted habitat suitability for Goniurosaurus catbaensis in Vietnam.

Figure 3 in Additional information on Misonne's swollen-nose gecko, Rhinogecko misonnei de Witte, 1973 (Squamata, Geckonidae) in Iran

Figure 3. Rhinogecko misonnei. (A) ZMSBUK 700; (B) ZMSBUK 701; (C) ZMSBUK 702.

opencc-by-4.0Sep 2011View details →

Figure 4. A in Distribution of Hemidactylus geckos (Reptilia: Gekkonidae) in Fars Province, Southern Iran

Figure 4. A new specimen of H. flaviviridis from southwest of Fars Province.

Figure 2 in Additional information on Misonne's swollen-nose gecko, Rhinogecko misonnei de Witte, 1973 (Squamata, Geckonidae) in Iran

Figure 2. The habitat of Rhinogecko misonnei: (A) ZMSBUK 700 and 701; (B) ZMSBUK 702.

Figure 2 in New record of the Western leopard gecko, Eublepharis angramainyu Anderson & Leviton, 1966 (Sauria: Eublepharidae) from southeastern Iran

Figure 2. Habitat of Eublepharis angramainyu.

Figure 1 in New record of the Western leopard gecko, Eublepharis angramainyu Anderson & Leviton, 1966 (Sauria: Eublepharidae) from southeastern Iran

Figure 1. Eublepharis angramainyu.

opencc-by-4.0Aug 2012View details →

Fig. 1 in Ecology Of Cyrtodactylus Sumonthai Bauer, Pauwels, & Chanhome, 2002 (Reptilia: Squamata: Gekkonidae): A Karst Dwelling Bent-Toed Gecko From South-Eastern Thailand

Fig. 1. Ecotone area at the cave entrance (Habitat type H2).

opencc-by-4.0Aug 2012View details →

Fig. 6 in Cyrtodactylus Majulah, A New Species Of Bent-Toed Gecko (Reptilia: Squamata: Gekkonidae) From Singapore And The Riau Archipelago

Fig. 6. Microhabitat of Cyrtodactylus majulah in the Nee Soon Swamp, Singapore.

opencc-by-4.0Aug 2012View details →

Fig. 1 in Cyrtodactylus Majulah, A New Species Of Bent-Toed Gecko (Reptilia: Squamata: Gekkonidae) From Singapore And The Riau Archipelago

Fig. 1. Location of Cyrtodactylus majulah in Singapore and Pulau Bintin, Indonesia.

opencc-zeroMar 2023View details →

Head shape predicts isotopic diet in anoles and day geckos

<ol> <li>Trophic morphology affects resource acquisition; therefore, species differences in such traits may be informative for inferring resource use overlap and potential species interactions. </li> <li>In lizards, head size and shape determine the size and hardness of prey that can be consumed. Lizards with large differences in head morphology are expected to overlap less in prey use than lizards with more similar traits. </li> <li>Stable isotopes are increasingly being used to describe diet, yet how traditional functional traits affect isotopic diet is often not clear a priori. </li> <li>We measured head size, head shape, 𝛿15N, and 𝛿13C under controlled resource availability in an enclosure experiment using introduced lizards in Hawaiʻi to test whether functional traits predict isotopic diet. </li> <li>Brown anoles (Anolis sagrei) had the tallest and narrowest heads, the highest values of 𝛿13C, and the lowest values of 𝛿15N. Gold dust day geckos (Phelsuma laticauda) had the shortest and widest heads, the lowest values of 𝛿13C, and the highest values of 𝛿15N. Green anoles (Anolis carolinensis) were intermediate in both diet and morphology. </li> <li>As a result of isotopic diet overlap, green anoles have reduced competitor-free resource space in the presence of both of the other lizard species. </li> <li>Head shape was the best predictor of diet and the only trait that explained variation within as well as among species. Head size was sexually dimorphic, and therefore the weaker diet correlations with this trait may be explained by sexual selection.</li> <li>Breadth in morphospace did not correlate with isotopic diet breadth, nor did the amount of overlap in morphospace predict the amount of overlap in isotopic diet space. </li> <li>While lizards were able to locally depress prey in experimental enclosures, no shifts in diet were detected in response to the presence of heterospecifics. </li> <li>The generality of head shape in predicting isotopic diet, and whether it does so independent of habitat use, warrants additional study. Head shape provides a potentially fruitful avenue for trait-based approaches to studying ecology and evolution in lizards.</li> </ol>

opencc-zeroMay 2023View details →

Data for: The role of ecdysis in repair of an attachment system: a case study using geckos

Skin provides functions such as protection and prevention of water loss. In some taxa, the outer surface of skin has been modified to form structures that enable attachment to various surfaces. Constant interaction with surfaces is likely to cause damage to these attachment systems and reduce function. It seems logical that when skin is shed via ecdysis, its effectiveness will increase, through repair of damage or other rejuvenating mechanisms. We address two questions using three diplodactylid geckos as model species. (1) Does repeated mechanical damage affect clinging ability in geckos to the point that they cannot support their own body weight? (2) Does use without induced damage reduce effectiveness of the attachment system, and if so, does ecdysis restore clinging ability? We found that repeated damage reduced clinging ability in all three species, although at different rates. Additionally, use reduced clinging ability over time when no apparent damage was incurred. Clinging ability increased after ecdysis in all three species, both when damage was specially induced, and when it was not. After normal use without induced damage, the increase in clinging ability after ecdysis was statistically significant in two of three species. Our findings show that use decreases clinging ability, and mechanical damage also affects geckos' capacity to exert shear forces consistently. Thus, ecdysis improves clinging ability both in scenarios where damage is induced and more generally. In addition to the physiological functions provided by skin, our study highlights an important function of ecdysis in a speciose vertebrate group.

opencc-zeroSep 2023View details →

Melanistic coloration does not influence thermoregulation in the crepuscular gecko Eublepharis macularius

Body coloration in ectotherms serves multiple biological functions, including avoiding predators, communicating with conspecific individuals, and involvement in thermoregulation. As ectotherms rely on environmental sources of heat to regulate their internal body temperature, stable melanistic body coloration or color change can be used to increase or decrease heat absorption and heat exchange with the environment. While the function of melanistic coloration for thermoregulation increases solar radiation absorption for heating in many diurnal ectotherms, research on crepuscular and nocturnal ectotherms is lacking. Since crepuscular and nocturnal ectotherms generally absorb heat from the substrate, in these organisms melanistic coloration may have other primary functions besides thermoregulation. As such, in this work, we hypothesized that the proportion of dorsal melanistic body coloration would not influence heating and cooling rates in the crepuscular gecko, Eublepharis macularius, and that changes in environmental temperature would not trigger color changes in this species. Temperature measurements of the geckos and of the environment were taken using infrared thermography and temperature loggers. Color data were obtained using objective photography and a newly developed custom software package. We found that body temperature reflected substrate temperatures, and that the proportion of melanistic coloration has no influence on heating or cooling rates or on color changes. These findings support that melanistic coloration in E. macularius may not be used for thermoregulation and strengthen the hypothesis that in animals active in low light conditions, melanistic coloration may be used instead for camouflage or other functions.