Limnophis bangweolicus (MERTENS, 1936)
Can you confirm these amateur observations of Limnophis bangweolicus?
|Higher Taxa||Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Eastern Striped Swamp Snake, Bangweulu Water Snake|
|Synonym||Helicops bangweolicus MERTENS 1936|
Limnophis bangweolicus — BOGERT 1940
Limnophis bicolor bangweolicus — AUERBACH 1987: 161
Limnophis bangweolicus — BROADLEY 1991
Limnophis bangweolicus — HAAGNER et al. 2000
Limnophis bangweolicus — BROADLEY et al. 2003
Limnophis bangweolicus — BROADLEY & COTTERILL 2004
Limnophis bangweolicus — WALLACH et al. 2014: 384
Limnophis bangweolicus — CONRADIE et al. 2020
|Distribution||Zambia, west to the Democratic Republic of the Congo (Zaire: Katanga), E Angola, Botswana, Namibia|
Type locality: Nsombo, Northern Rhodesia
|Types||Holotype: SMF 22172|
|Diagnosis||General description: The body is cylindrical and elongated, tapering gradually to a rela- tively short tail (males: 20–26% of total length, females: 15–23% of total length). Head is small and barely wider than the ‘neck’. The eye is medium to large with a round pupil. Dorsal scales smooth with no apical pits, in 19-19-17 scale rows; ventrals 136–146 males, 132–150 females; cloaca divided; paired subcaudals 49–64 males, 32–56 females. One preocular; the nasal suture intersects the loreal and not the 1st supralabial; two posto- culars (rarely 3); temporal 1 + 2 (rarely 1 + 2 + 3); the parietal rarely in direct contact with 6th supralabial (in 22% of material examined); supralabials 8–9 (rarely 7), usually 3rd and 4th (sometimes 3rd to 5th) contacting the eye, 6th the largest; infralabials 9–10, first five (rarely four) in contact with the 1st chin shields. Maxillary teeth 22–25, slightly increasing in size posteriorly (Bogert 1940, Conradie et al. 2020). |
Colouration: The dorsum is dark olive brown with an olive brown vertebral band that covers seven scale rows, this is flanked by a broad pale brown stripe on either side of the body, 2–3 scale rows wide, the lower flanks are paler than vertebral scales, with three or four outer scale rows black-edged above and below, forming continuous or stippled black lines from head to tail. The venter is yellow to brick red. The supra- and infra- labials and chin shields are often black-edged below and above forming pale cream- coloured longitudinal stripes that connect with the black dorsolateral black lines. The sub- caudals are dark edged, forming a black median line from vent to tail tip (Conradie et al. 2020).
Size: Largest male 386 + 113 = 499 mm (PEM R18934, Mbola, Zambia); largest female 558 + 127 = 685 mm (TM 47715, Lake Liambezi, Namibia) (Conradie et al. 2020).