Aspidomorphus dimorphus KRAUS, 2025
Can you confirm these amateur observations of Aspidomorphus dimorphus?
Aspidomorphus dimorphus
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| Higher Taxa | Elapidae (Hydrophiinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Aspidomorphus dimorphus KRAUS 2025 Aspidomorphus lineaticollis — MCDOWELL 1967: 514 |
| Distribution | Papua New Guinea (Milne Bay Province) Type locality: forest NNW Mt. Rio, ~5 km S Araeda village, 11.4787°S, 153.4199°E, 170 m a.s.l., Sudest Island, Milne Bay Province, Papua New Guinea. |
| Reproduction | |
| Types | Holotype. BPBM 20784 (field number FK 9742), adult male, coll. by F. Kraus, on 21 April 2004. Paratypes (n = 12). Papua New Guinea: Milne Bay Province: Sudest Island: along Gesirava River, 11.4918°S, 153.4126°E, 130 m a.s.l. (BPBM 20782–83, 20786); N slope Mt. Rio, 11.4961°S, 153.4264°E, 390 m a.s.l. (BPBM 20785); 11.4856°S, 153.4217°E, 300 m a.s.l. (BPBM 20787); ~3 km S Araeda, 11.4637°S, 153.4220°E, 200 m a.s.l. (BPBM 20788); ~1 km S Araeda, 11.4457°S, 153.4264°E, 90 m a.s.l. (BPBM 20789); Wele River above Kolkol Falls, 11.4462°S, 153.4312°E, 30 m a.s.l. (FK 9519, 9873); Rambuso, 0–100 m a.s.l. (AMNH 76652); W slope Mt. Rio, 250–350 m a.s.l. (AMNH 76653–54). |
| Diagnosis | Diagnosis: A moderately sized species of Aspidomorphus (SVL of males 329–452 mm, of females 330–455 mm; TL/SVL of males 0.13–0.14, of females 0.10–0.14); ventrals 154–161 in seven males, 161–169 in six females; subcaudals 26–29 in seven males, 22–30 in six females; hemipenis short, ornamented proximally with dense array of enlarged spines that gradually decrease in size distally, apex papillose, sulcus bifurcating distally, without membranous septum below point of bifucation; evenly dimorphic for color pattern (Fig. 1), with (1) orange morph uniformly orange brown dorsally except for a narrow, low-contrast, light-brown nuchal collar whose apex points anteriorly, venter uniformly salmon pink (white in preservative), labials white to very pale straw, without bridle, and (2) dark morph unicolor brownish pink dorsally with a darker head, venter gray anteriorly changing to pale salmon- orange posteriorly (white in preservative), labials brown, without bridle or with only a faint hint of an amorphous darker region below eye. Neither morph has indications of dark or white lines on the neck nor light lines on the rostral or mental nor ocelli on the top of head. (Kraus 2025) Additional details (10486 characters) are available for collaborators and contributors. Please contact us for details. |
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