Egg cases of the graytail skate Bathyraja griseocauda and the cuphead skate Bathyraja scaphiops from the south-west Atlantic Ocean

E Mabragaña; D M Vazquez; V Gabbanelli; D Sabadin; S A Barbini; L O Lucifora

doi:10.1111/jfb.13380

Egg cases of the graytail skate Bathyraja griseocauda and the cuphead skate Bathyraja scaphiops from the south-west Atlantic Ocean

J Fish Biol. 2017 Sep;91(3):968-974. doi: 10.1111/jfb.13380.

Authors

E Mabragaña¹, D M Vazquez¹, V Gabbanelli¹, D Sabadin², S A Barbini², L O Lucifora³

Affiliations

¹ Laboratorio de Biotaxonomía Morfológica y Molecular de Peces, Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMdP), Funes 3350, Mar del Plata, Buenos Aires B7602YAL, Argentina.
² IIMyC, CONICET, FCEyN, UNMdP, Funes 3350, Mar del Plata, Buenos Aires B7602YAL, Argentina.
³ Instituto de Biología Subtropical - Iguazú, Universidad Nacional de Misiones, CONICET, Casilla de Correo 9, Puerto Iguazú, Misiones N3370AVQ, Argentina.

PMID: 28868748
DOI: 10.1111/jfb.13380

Abstract

Egg cases of Bathyraja griseocauda were larger (140-142 mm in length) than those of Bathyraja scaphiops (88-90 mm in length) and their surface was relatively smooth, without denticles, prickles or any ornamentation. Egg cases of B. scaphiops had a relative coarse surface, covered with prickles of similar size. An identification key for the all described egg cases from Bathyraja occurring in the south-west Atlantic Ocean is provided.

Keywords: Bathyraja; egg cases; identification key; skates; south-western Atlantic Ocean.

MeSH terms

Animals
Atlantic Ocean
Female
Ovum / classification
Phylogeny
Reproduction
Skates, Fish / anatomy & histology
Skates, Fish / classification*
Species Specificity