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 Is) Love? the internet on April 20, 2013. According to Jessica Sager of PopCrush, it picks up where the original song left off. Sager wrote that the song "likely isn't about [Marc] Anthony — but for those new to the song, it's surely easy to interpret it as such. Lopez gets pretty revealing in the new song, addressing a divorce directly and explicitly". Credits adapted from the liner notes of "Love?". (What Is) Love? "(What Is) Love?" is a song recorded by American entertainer Jennifer Lopez. Originally entitled "What Is Love?", the song appeared on the soundtrack to "The Back-up Plan" (2010),