OBSERVATIONS ON EGG-LAYING IN THE THORNBACK RAY

Authors
ELLIS JR SHACKLEY SE
Citation
Jr. Ellis et Se. Shackley, OBSERVATIONS ON EGG-LAYING IN THE THORNBACK RAY, Journal of Fish Biology, 46(5), 1995, pp. 903-904
Citations number
4
Categorie Soggetti
Marine & Freshwater Biology
Journal title
Journal of Fish Biology → ACNP
ISSN journal
00221112
Volume
46
Issue
5
Year of publication
1995
Pages
903 - 904
Database
ISI
SICI code
0022-1112(1995)46:5<903:OOEITT>2.0.ZU;2-E
Abstract
The egg-laying sequence of Raja clavata from aquarium observations, ha s been found to consist of a 2-day cycle and to last less than 7 weeks . The mean body length, disc width, and weight of the newly-hatched ra ys were 118, 75 mm and 8.92 g respectively and the sex ratio was 1 : 1 .