Zapteryx xyster


Classification: Elasmobranchii Rhinopristiformes Trygonorrhinidae

Reference of the original description
JORDAN, D.S. & EVERMANN, B.W. (1896)
The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part I. Bulletin of the United States National Museum, 47: 1–1240

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Syrrhina xyster, Zapterix xyster

Zapteryx xyster
Syntype: YPM: ICH 001994X;

Description :

Citation: Zapteryx xyster JORDAN & EVERMANN, 1896: In: Database of modern sharks, rays and chimaeras,, World Wide Web electronic publication, Version 03/2021

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Zapteryx xyster JORDAN & EVERMANN, 1896 © Centro Interdisciplinario de Ciencias Marinas (CICIMAR-IPN)
Short Description
Diet: [22647] Pacific coast of Costa Rica (data base: 235 samples) Teleosts (28,37%), Decapoda (58,82%), Cstomatopoda (2,79%), Cephalopods (9,42%), Biviales (0,18%), Polychaeta (0,41%)

Eastern Pacific. Not recorded in Compagno"quot;s 1999 checklist [529]. Source:

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].

reef-associated; marine

shark-references Species-ID=7550;