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Fishes of Arkansas. Fayetteville, Arkansas: The University of Arkansas Press. ISBN 1-55728-001-0. "Aquatic Fish Report" (PDF). Arkansas Wildlife Action Plan. Little Rock: Arkansas Game and Fish Commission. 2015
The Minnesota DNR Division of Ecological Services received a State Wildlife Grant to conduct surveys for rare fish species in the Mississippi River from the Twin Cities to the Iowa border. These surveys were conducted from 2006 to 2008, and while the skipjack shad was a targeted species, none were found. [14]
Rock bass are considered game fish throughout much of their range, the IGFA all-tackle world record for the species is a tie between 1.36 kg (3 lb 0 oz) fish caught in York River, Ontario, Canada, and Lake Erie, Pennsylvania, US, in 1974 and 1998 respectively. [10]
The discovery rate of siphonophore species was slow in the 18th century, as only four additional species were found. [11] During the 19th century, 56 new species were observed due to research voyages conducted by European powers. [11] The majority of new species found during this time period were collected in coastal, surface waters. [11]
Originally, Epulonipiscium populations were thought to be a single species and given the name Epulopiscium fishelsoni in 1988, by Montgomery (one of the co-discovers) and Pollak. The epithet fishelsoni honors Lev Fishelson, a Polish-born Israeli ichthyologist [ 5 ] [ 6 ] who was part of the group that made the discovery while studying the ...
Myxosporea is a class of microscopic animals, all of whom are parasites.They belong to the Myxozoa clade within Cnidaria.They have a complex life cycle that comprises vegetative forms in two hosts—one an aquatic invertebrate (generally an annelid but sometimes a bryozoan) and the other an ectothermic vertebrate, usually a fish.
There are three genera, Pyrosoma, Pyrosomella and Pyrostremma, and eight species. [3] [4] They usually live in the upper layers of the open ocean in warm seas, although some may be found at greater depths. [4] Pyrosomes form cylindrical or cone-shaped colonies up to 18 m (60 ft) long, [5] made up of hundreds to thousands of individuals, known ...
Fish embryos go through a process called mid-blastula transition which is observed around the tenth cell division in some fish species. Once zygotic gene transcription starts, slow cell division begins and cell movements are observable. [4] During this time three cell populations become distinguished. The first population is the yolk syncytial ...