Chilabothrus monensis (ZENNECK, 1898)
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Higher Taxa | Boidae (Boinae), Henophidia, Alethinophidia, Serpentes, Squamata (snakes) |
Subspecies | |
Common Names | E: Mona Boa, Mona Island Boa; granti: Virgin Islands boa G: Mona-Schlankboa |
Synonym | Epicrates monensis ZENNECK 1898: 64 Epicrates gracilis monensis — STIMSON 1969 Epicrates monensis — SCHWARTZ & HENDERSON 1988 Epicrates monensis — SCHWARTZ & HENDERSON 1991: 608 Epicrates monensis — MCDIARMID, CAMPBELL & TOURÉ 1999: 198 Chilabothrus monensis — REYNOLDS et al. 2013 Epicrates monensis — WALLACH et al. 2014: 274 Chilabothrus monensis — RODRÍGUEZ-ROBLES et al. 2015 Chilabothrus monensis — REYNOLDS & HENDERSON 2018: 13 |
Distribution | Puerto Rico (Mona Island) Type locality: Mona Island, near Puerto Rico. |
Reproduction | viviparous |
Types | Syntypes: ZMH, now destroyed |
Diagnosis | DESCRIPTION: Maximum SVL 770 mm (but Meerwarth, 1901, reported that 1 of the syntypes had a SVL of 1010 mm); scale rows on neck 34-39; midbody scale rows 39-48; ventrals 261-271 in males, 261-266 in females; subcaudals 80-81 in males, 82-84 in females; ventrals + subcaudals 345-347 in males, 345-348 in females; head scale formula 3-1-5. Dorsum gray-brown; dorsal pattern of 47-73 angulate, dark chocolate-brown blotches, extending from dorsal midline to junction of dorsal and ventral scales; some blotches divided longitudinally to produce a scattered series of isolated, dark ventrolateral blotches; blotches outlined in dark pigment, pale centrally; head pattern obsolescent; venter immaculate to heavily s~ppled with dark brown; chin and throat patternless; about 10-23 tail blotches, the posteriormost caudal blotches forming complete or almost complete rings around tail (Schwartz & Henderson 1991: 608). |
Comment | Illustrations: Grant, 1932; MacLean, 1982; Schwartz and Henderson, 1985; Tolson, 1987; Tolson, 1989. Subspecies: Chilabothrus monensis granti (STULL 1933) has been elevated to full species status. Habitat: partly arboreal (Harrington et al. 2018). |
Etymology | Named after the type locality. |
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