Dictionary of Ichthyology  

egg = 1) a fish egg, varying in size from under 1.0 mm to 6.0 mm or more, and of various colours.
Bdellostoma (= Eptatretus), egg with anchoring hooks, one hook enlarged, from Kingsley's "Text Book of Vertebrate Zoology", 1906. Photograph by Brian W. Coad.....more

Canadian Museum of Nature