Ichthyology Ichthyology Ichthyology (from Greek: ἰχθύς, "ikhthys", "fish"; and λόγος, "logos", "study"), also known as fish science, is the branch of zoology devoted to the study of fish. This includes bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). While a large number of species have been discovered, approximately 250 new species are officially described by science each year. According to FishBase, 33,400 species of fish had been described by October 2016. The study of fish dates from the Upper Paleolithic Revolution (with the advent of "high culture"). The science of ichthyology was developed in several interconnecting epochs, each with
What of the Mormons? the United States. Beginning in 1969, the LDS Church began publishing the historical part of "What of the Mormons?" under the title "Truth Restored". Hinckley went on to become an apostle in the church and was the President of the Church from 1995 until his death in 2008. What of the Mormons? What of the Mormons?: A Brief Study of the Church of Jesus Christ of Latter-day Saints is a 1947 book by Gordon B. Hinckley that was published by The Church of Jesus Christ of Latter-day Saints (LDS Church). Portions of the book continue to be published by the