Atractus alphonsehogei

Atractus alphonsehogei
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Atractus
Species:	A. alphonsehogei
Binomial name
	Atractus alphonsehogei; Cunha & Nascimento, 1983

Last updated September 30, 2025

Atractus alphonsehogei, also known commonly as Alphonse's ground snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to Brazil.^[2]

Etymology

The specific name, alphonsehogei, is in honor of Brazilian-born Belgian herpetologist Alphonse Richard Hoge.^[3]

Geographic range

Atractus alphonsehogei is found in northern Brazil, in the Brazilian states of Amazonas, Maranhão, Pará, and Roraima.^[1]^[2]

Habitat

The preferred natural habitat of Atractus alphonsehogei is forest.^[1]

Description

Atractus alphonsehogei may attain a snout-to-vent length of about 28 cm (11 in) in females, and about 22 cm (8.7 in) in males. Dorsally, it is brown to grayish black, with a cream-colored incomplete occipital collar. Ventrally, it is cream-colored, with a dark line running down each side of the belly, near the ends of the ventrals. Each smooth dorsal scale has one, or rarely two, apical pits. The dorsal scales are arranged in 17 rows throughout the whole length of the body (17/17/17). Mature males have tubercles in the cloacal region.^[2]

Behavior

Atractus alphonsehogei is terrestrial and fossorial.^[1]

Diet

Atractus alphonsehogei preys predominately upon earthworms.^[1]

Reproduction

Atractus alphonsehogei is oviparous.^[2]

References

1 2 3 4 5 Silveira, A.L.; Prudente, A.L. da C.; Argôlo , A.J.S.; Abrahão, C.R.; Nogueira, C. de C.; Barbo, F.E.; Costa, G.C.; Pontes, G.M.F.; Colli, G.R.; Zaher, H. el D.; Borges-Martins, M.; Martins, M.R.C.; Oliveira , M.E.; Passos, P.G.H.; Bérnils, R.S.; Sawaya, R.J.; Cechin, C.T.Z.; da Costa, T.B.G. (2019). "Atractus alphonsehogei". IUCN Red List of Threatened Species . 2019 e.T15157797A123738628. doi: 10.2305/IUCN.UK.2019-2.RLTS.T15157797A123738628.en . Retrieved 26 April 2023.
1 2 3 4 Atractus alphonsehogei at the Reptarium.cz Reptile Database. Accessed 8 October 2021.
↑ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Atractus alphonsehogei, p. 6; Hoge, p. 125).

Cunha OR, Nascimento FP (1983). "Ofidios da Amazonia 20 – As especies de Atractus Wagler, 1828, na Amazonia oriental & Maranhão (Ophidia, Colubridae)". Boletim do Museu Paraense Emilio Goeldi, Nova Serie, Zoologia (123): 1–38. (Atractus alphonsehogei, new species). (in Portuguese).
Martins M, Oliveira ME (1993). "The snakes of the genus Atractus Wagler (Reptilia: Squamata: Colubridae) from the Manaus region, central Amazonia, Brazil". Zoologische Mededelingen67: 21–40.
Passos P, Prudente ALC, Ramos LO, Caicedo-Portilla JR, Lynch JD (2018). "Species delimitations in the Atractus collaris complex (Serpentes: Dipsadidae)". Zootaxa4392 (3): 491–520.

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[iucn_status_20_November_2021-1] 1 2 3 4 5 Silveira, A.L.; Prudente, A.L. da C.; Argôlo , A.J.S.; Abrahão, C.R.; Nogueira, C. de C.; Barbo, F.E.; Costa, G.C.; Pontes, G.M.F.; Colli, G.R.; Zaher, H. el D.; Borges-Martins, M.; Martins, M.R.C.; Oliveira , M.E.; Passos, P.G.H.; Bérnils, R.S.; Sawaya, R.J.; Cechin, C.T.Z.; da Costa, T.B.G. (2019). "Atractus alphonsehogei". IUCN Red List of Threatened Species . 2019 e.T15157797A123738628. doi: 10.2305/IUCN.UK.2019-2.RLTS.T15157797A123738628.en . Retrieved 26 April 2023.

[RDB-2] 1 2 3 4 Atractus alphonsehogei at the Reptarium.cz Reptile Database. Accessed 8 October 2021.

[3] Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Atractus alphonsehogei, p. 6; Hoge, p. 125).

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