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Mabuya cochonae HEDGES & CONN, 2012

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Higher TaxaScincidae, Mabuyinae, Scincoidea, Sauria, Squamata (lizards) 
Subspecies 
Common NamesCochons Skink 
SynonymMabuya cochonae HEDGES & CONN 2012: 87
Mabuya mabouya mabouya — SCHWARTZ & THOMAS, 1975:141 (part)
Mabuya mabouya mabouya — MACLEAN et al., 1977:38 (part)
Mabuya mabouya mabouya — SCHWARTZ & HENDERSON, 1988:150 (part)
Mabuya mabouya mabouya — SCHWARTZ & HENDERSON, 1991:457 (part)
Mabuya bistriata — POWELL et al., 1996:82 (part)
Mabuya bistriata — MALHOTRA & THORPE, 1999:84 (part)
Mabuya sloanii — MAYER & LAZELL, 2000:883 (part)
Mabuya mabouya — BREUIL, 2002:267 (part)
Mabuya mabouya — MIRALLES, 2005:49 (part)
Mabuya mabouya — HENDERSON & POWELL, 2009:292 (part) 
DistributionGuadeloupe

Type locality: Îlet à Cochons, Guadeloupe  
Reproduction 
TypesHolotype: KU 242043, an adult male, collected by Albert Schwartz and Richard Thomas on Îlet à Cochons, Guadeloupe, on 30 January–3 February 1963.
Paratype (n = 1). Guadeloupe. KU 242044, an adult female, same locality and information as the holotype. 
DiagnosisDiagnosis. Mabuya cochonae sp. nov. is characterized by (1) maximum SVL in males, 96.7 mm; (2) maximum SVL in females, 98 mm; (3) snout width, 2.68–2.78% SVL; (4) head length, 18.7–19.1% SVL; (5) head width, 12.8–13.1% SVL; (6) ear length, 1.02–1.12% SVL; (7) toe-IV length, 11.1–11.6% SVL; (8) prefrontals, two; (9) supraoculars, three; (10) supraciliaries, four; (11) frontoparietals, two; (12) supralabial below the eye, five; (13) nuchal rows, one; (14) dorsals, 58–62; (15) ventrals, 70; (16) dorsals + ventrals, 128–132; (17) midbody scale rows, 32; (18) finger-IV lamellae, 12–14; (19) toe-IV lamellae, 17; (20) finger-IV + toe-IV lamellae, 29–31; (21) supranasal contact, Y; (22) prefrontal contact, N; (23) supraocular-1/frontal contact, Y; (24) parietal contact, Y; (25) pale middorsal stripe, N; (26) dark dorsolateral stripe, N; (27) dark lateral stripe, Y; (28) pale lateral stripe, N; and (29) palms and soles, dark (Tables 3–5).

Within the Genus Mabuya, M. cochonae sp. nov. and the other three species inhabiting Guadeloupe and its islets (M. desiradae sp. nov., M. grandisterrae sp. nov., and M. guadeloupae sp. nov.), here placed in the M. guadeloupae sp. nov. species group, have a similarly-proportioned frontonasal scale that distinguishes them from other species in the genus (Fig. 34). Species in the M. guadeloupae sp. nov. species group have a longer frontonasal compared with M. montserratae sp. nov. (frontonasal length/head length 0.176–0.199 versus 0.165– 0.168) and a shorter frontonasal compared with other species in the genus (0.176–0.199 versus 0.205–0.239 in M. dominicana, M. hispaniolae sp. nov., and M. mabouya). In addition, M. cochonae sp. nov. differs from M. dominicana by having a shorter, wider supranasal scale (supranasal length/supranasal width 3.13–3.25 versus 4.57–6.57 in M. dominicana; Fig. 35), and in lacking a well-defined dorsolateral and pale lateral stripe (present in 84% of M. dominicana). It is separated from M. hispaniolae sp. nov. and M. mabouya by having supranasal contact (versus no contact in all M. hispaniolae sp. nov. and in 88% of M. mabouya). It differs from M. montserratae sp. nov. by having a higher supraciliary-2/supraciliary-3 length ratio (2.14–2.20 versus 1.39–1.66 in M. montserratae sp. nov.; Fig. 36).
Mabuya cochonae sp. nov. differs from the other three species in the M. guadeloupae sp. nov. species group in having a longer anterior loreal scale (2.26–2.47% SVL versus 1.28–1.99% SVL; Fig. 37), a longer suture length between the upper secondary temporal and the parietal scale (2.12–2.29% SVL versus 1.36–2.01% SVL; Fig. 37C), and a smaller ear (1.02–1.12% SVL versus 1.26–2.08% SVL). Each of the two specimens has contact between anterior loreal and supraciliary-1 scales on one side of the head (versus no contact in the other three species of the group); such contact is rare in the genus. Additionally, it differs from each of the species in other ways. From M. desiradae sp. nov., M. cochonae sp. nov. differs in having a smaller separation of the prefrontal scales (0.89–1.16% SVL versus 1.74–1.75% SVL), a shorter dark lateral stripe that extends only to the forelimbs (versus midbody), an orange (versus dull silvery-gray) venter in life, a head that is less red in life, and weakly- defined, pale dorsolateral stripes that extend only one-third (versus two-thirds) of the body. It differs from M. grandisterrae sp. nov. by having a higher supraciliary-2/supraciliary-3 length ratio (2.14–2.20 versus 1.67–1.79; Fig. 36). From M. guadeloupae sp. nov., Mabuya cochonae sp. nov. differs in having a longer interloreal suture (0.91–1.03% SVL versus 0.64–0.85% SVL; Fig. 37B), having a longer supralabial-7 (1.68–1.87% SVL versus 1.36–1.44% SVL; Fig. 37D) and lacking dark dorsolateral stripes and well-defined pale lateral and dorsolateral stripes (those stripes being present in M. guadeloupae sp. nov.) [HEDGES & CONN 2012]. 
CommentConservation: extremely rare and possibly extinct. No living individual of any of these species has been seen in recent decades (Hedges et al. 2016).

Abundance: only known from its original description (Meiri et al. 2017). 
EtymologyThe species name (cochonae) is a feminine genitive singular noun, referring to the distribution of the species on Îlet à Cochons. 
References
  • Hedges, S.B. & Conn, C.E. 2012. A new skink fauna from Caribbean islands (Squamata, Mabuyidae, Mabuyinae). Zootaxa 3288: 1–244 - get paper here
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
 
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