Lycodon walli (STEJNEGER, 1907)
Can you confirm these amateur observations of Lycodon walli?
Lycodon walli
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Walls’ Red-banded Snake G: Walls Grosszahnnatter |
| Synonym | Dinodon rufozonatum walli STEJNEGER 1907: 364 Dinodon rufozonatum walli — MAKI 1931 Dinodon rufozonatus — GORIS & MAEDA 2004: 222 Lycodon walli — NGUYEN et al. 2025 |
| Distribution | Japan (Ryukyu islands). Type locality: Ishigaki Shima, Yaeyama group. |
| Reproduction | oviparous |
| Types | Holotype: USNM 34007 |
| Diagnosis | Diagnosis: Large-sized species, maximum snout-vent length up to 922 mm; loreal not contacting the eye; dorsal scale rows 17 (19)–17–15; all smooth at midbody; 164–198 ventrals; 71–90 subcaudals, paired; cloacal plate undivided; 8 supralabials with 3–5 touching the eye; 1 preocular, 2 postoculars; temporals 2+3; dorsum chocolate colour with dorsal crossbands grey-brown or dirty cream, wide, separate ground colour into ellipse-shaped patches, 39–51 crossbands on body and tail on tail; head grey-brown the plates conspicuously margined with pale brown; venter cream or pale yellow, no banded (based on Stejneger 1907; Maki 1931; Takara 1962; this study). (Nguyen et al. 2025) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data. However, these details, e.g. detailed descriptions (about about 2.15 pages) are available for collaborators and contributors. Please contact us if you need any of this material. |
| Comment | Subspecies: Dinodon rufozonatum meridionale has been elevated to species status. D. r. walli has fewer ventrals (178-195) and fewer dark cross-bars on body and tail (22-32 on body, 15-20 on tail); a pale inverted V on the nape, underside more or less mottles with brown (STEJNEGER 1907). Behavior: nocturnal. |
| Etymology | Named after Dr. Frank Wall (1868-1950), a military physician and herpetologist. |
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