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The following list of known freshwater fish species, subspecies, and hybrids occurring in Washington state is taken from Wydoski and Whitney(2003). Some scientific names have been updated or corrected. Trout nomenclature follows Behnke et al.(2002). Asterisks denote introduced fishes.
(sport fish) Micropterus dolomieu: 2005 [61] Channel catfish (state commercial fish) Ictalurus punctatus: 1987 [61] Texas: Guadalupe bass (freshwater) Micropterus treculii: 1989 [62] Red drum (saltwater) Sciaenops ocellatus: 2011 [62] Utah: Bonneville cutthroat trout: Oncorhynchus clarkii (subspecies utah) 1997 [63] Vermont: Brook trout (cold ...
The fauna of Illinois include a wide variety of mammals, birds, amphibians, reptiles, fish and insects (not listed). The state bird is the Northern cardinal. The state insect is the monarch butterfly. The state animal is the white-tailed deer. The state fish is the bluegill. The state fossil is the tully monster.
Mosquitofish have a 16- to 28-day gestation period. [12] They are lecithotrophic, which means during gestation, nutrients are provided to the embryos by a yolk sac. [35] If the gestation period is shorter, each newborn will at birth still have a yolk sac connected through a slit located on the ventral side of the body wall. [12]
Fish accounted for over 99% of a sauger's diet during autumn. Saugers also prey on shiners during spring and summer, but they do not account for a significant part of their diet. Shiners are absent from a sauger's diet in autumn probably due to their availability. [8]
Many fish have a number of small outpocketings, called pyloric caeca, along their intestine. The purpose of the caeca is to increase the overall surface area of the intestines, thereby increasing the absorption of nutrients. [32] [33] The number of pyloric caeca varies widely between species, and in some species of fish no caeca are present at all.
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The species Trachipterus ishikawae is commonly called "earthquake fish" in Taiwan because the fish are popularly believed to appear following major earthquake events due to alleged sensitivity to disturbances in the ocean floor. Records of such appearances were made following a 100-year earthquake in Hengchun in late 2006 and in Taitung in 2007 ...