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Crotaphopeltis degeni (BOULENGER, 1906)

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Higher TaxaColubridae, Colubrinae, Colubroidea, Serpentes (snakes) 
Subspecies 
Common NamesDegen’s Herald Snake, Yellow-flanked snake 
SynonymLeptodira degeni BOULENGER 1906: 572
Crotaphopeltis degeni — BARBOUR & AMARAL 1927: 26
Crotaphopeltis degeni — ANGENSTEIN 1996
Crotaphopeltis degeni — RASMUSSEN 1997
Crotaphopeltis degeni — CHIRIO & INEICH 2006 
DistributionS Sudan, Uganda, Kenya, Ethiopia, Tanzania (relict population), E Central African Republic, Cameroon (RASMUSSEN 1997, 2000)

Type locality: Entebbe, Uganda. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
TypesSyntypes: BMNH 1946.1.9.96-97 
CommentNot listed for Tanzania by BROADLEY & HOWELL 1991.

DIAGNOSIS A semiaquatic species of Crotaphopeltis of the Central African Plateau with the following character combination: 19 scale rows at mid-body, dorsal scales smooth all over the body; 15-19 + II maxillary teeth; 31-41 (male) and 25-38 (female) subcaudals; hemipenis extending to subcaudal scute No.7-II and usually provided with five enlarged spines proximally; dorsum dark brown, grey or almost black, no white specks or temporal marks, pigment On lower jaw usually restricted to the last infralabial; venter cream or pale yellowish; underside of tail whitish, with a more or less distinctly pigmented, median stripe, usually but not always, starting just behind the anal shield [from RASMUSSEN et al. 2000]. 
References
  • Angenstein, P. 1996. Zur Haltung und Nachzucht von Crotaphopeltis hotamboeia und C. tornieri (Serpentes: Boiginae). Elaphe 4 (3): 6-16
  • Barbour, T.; Amaral, A. D. 1927. Studies on African ophidia. Bulletin of the Antivenin Institute of America 1 (1): 1-3
  • Boulenger,G.A. 1906. Additions to the herptetology of British East Africa. Proc. Zool. Soc. London 2: 570-573 - get paper here
  • Broadley, Donald G. 1968. A new species of Crotaphopeltis (Serpentes: Colubridae) from Barotseland, Zambia. Fieldiana. Zoology 51 (10): 135-139 - get paper here
  • Chirio, L. & Lebreton, M. 2007. Atlas des reptiles du Cameroun. MNHN, IRD, Paris 688 pp.
  • Chirio, Laurent and Ivan Ineich 2006. Biogeography of the reptiles of the Central African Republic. African Journal of Herpetology 55(1):23-59. - get paper here
  • Largen, M.J.; Spawls, S. 2010. Amphibians and Reptiles of Ethiopia and Eritrea. Edition Chimaira, Frankfurt, 694 pp.
  • Pitman,C.R.S. 1974. A guide to the snakes of Uganda. Codicote, Wheldon & Wesley, L., 290 pp.
  • Rasmussen, J.B. 1997. On two little-known African water snakes (Crotaphopeltis degeni and Crotaphopeltis barotseensis). Amphibia-Reptilia 18: 191-206 - get paper here
  • Rasmussen, Jens Bodtker; Chirio, Laurent; and Ineich, Ivan 2000. The Herald Snakes (Crotaphopeltis) of the Central African Republic, Including a Systematic Review of C. hippocrepis. Zoosystema 22(3):585-600
 
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