Squatina occulta

VOOREN & DA SILVA, 1991


Hidden angel shark
Classification: Elasmobranchii Squatiniformes Squatinidae

Reference of the original description
VOOREN, C.M. & DA SILVA, K.G. (1991)
On the taxonomy of the angel sharks from southern Brazil, with the description of Squatina occulta sp. n. Revista Brasileira de Biologia, 51 (3): 589–602

Types
Squatina occulta
Holotype: MOVI: 10195 (old: MOFURG 06589) ; Paratype: MCP: 13999; MZUSP: 41518;


Description :


Citation: Squatina occulta VOOREN & DA SILVA, 1991: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2018

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Squatina occulta VOOREN & DA SILVA, 1992 © Diego Vaz, Departamento de Zoologia, Instituto de Biociências - USP
Common names
spa Angelito, spa Pez ángel, eng Argentine angelshark, eng Hidden angel shark, eng Smoothback angel shark, por Cação-anjo

Short Description
A species of Squatina diagnosed by its unique dorsal color pattern, composed of a uniform light to dark brown background color, with numerous white to yellowish rounded, small spots on entire dorsal surface, some surrounded by many small black spots, forming irregular ocelli-like markings; vertebral centra: maximum value 138 [19578]

Distribution
Southwestern Atlantic from Espírito Santo state, Brazil (approximately19°S) to southern Uruguay, near the Rio de la Plata estuary (approximately 34°S) [19578]

Biology
Ovoviviparous, embryos feed solely on yolk [733]. Squatina occulta presents only one functional ovary, on left side [19578]

Size / Weight / Age
120 cm TL (male/unsexed); size at birth in S. occulta varies between 280–300 mm [19578]

Habitat
demersal; marine

Dentition
with 18–20 longitudinal tooth rows on upper jaw and 18–22 tooth rows on lower jaw, tooth formula: 9-9 to 10-10/9-9 to 11-11 [19578]

Remarks
shark-references Species-ID=6940;