Glaucostegus spinosus

Günther, 1870

Spiny guitarfish
Classification: Elasmobranchii Rhinopristiformes Glaucostegidae

Reference of the original description

Günther, A. (1870)
Catalogue of the fishes in the British Museum. London, British Museum(Natural History). Vol. 8: 549 p.

Image of the original description
No image in first description.

Types
Glaucostegus spinosus

Description :

Citation: Glaucostegus spinosus Günther, 1870: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 04/2024

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Common names
spa

Guitarra espinosa, eng

Spiny guitarfish

Short Description
Snout white. Mouth nearly straight. Rostral ridges confluent, very narrow, with a small and short groove at base and with spines. Entire upper surface rough [199].

Distribution
Eastern Central Pacific: Bahía de La Paz, southern Baja California, Mexico. Possibly young of some other species [529].

Biology
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures [733].

Size / Weight / Age
34.0 cm (male/unsexed; [199])

Habitat
demersal; marine

Remarks
shark-references Species-ID=14683;