The blue catfish (Ictalurus furcatus) is a large species of North American catfish, reaching a length of 65 in (170 cm) and a weight of 165 lb (75 kg). The continent’s largest, it can live to 20 years, with a typical fish being between 25–46 in...
The lingcod or ling cod (Ophiodon elongatus), also known as the buffalo cod or cultus cod, is a fish of the greenling family Hexagrammidae. It is the only extant member of the genus Ophiodon. A slightly larger, extinct species, Ophiodon ozymandias,...
The leopard shark (Triakis semifasciata) is a species of houndshark, in the family Triakidae. It is found along the Pacific coast of North America, from the U.S. state of Oregon to Mazatlán in Mexico. Typically measuring 1.2–1.5 m (3.9–4.9 ft) long,...
Dicopomorpha echmepterygis is the smallest known insect and a species of parasitoid wasp in the family Mymaridae, which exhibits strong sexual dimorphism. The males are blind, apterous, and their body length is only 40% that of females. With a body...
The brown bullhead (Ameiurus nebulosus) is a fish of the family Ictaluridae that is widely distributed in North America. It is a species of bullhead catfish and is similar to the black bullhead (Ameiurus melas) and yellow bullhead (Ameiurus...
The cannonball jellyfish (Stomolophus meleagris), also known as the cabbagehead jellyfish, is a species of jellyfish in the family Stomolophidae. Its common name derives from its similarity to a cannonball in shape and size. Its dome-shaped bell can...
The white sucker (Catostomus commersonii) is a species of freshwater cypriniform fish inhabiting the upper Midwest and Northeast in North America, but it is also found as far south as Georgia and as far west as New Mexico. The fish is commonly known...
Scytodes thoracica is a spitting spider, so called because it spits a venomous sticky silken substance over its prey. Its size ranges between 3–6 mm (0.12–0.24 in). The carapace is unusual in sloping upwards towards its rear end, whereas the abdomen...
The Atlantic sea nettle (Chrysaora quinquecirrha), also called the East Coast sea nettle in the United States, is a species of jellyfish that inhabits the Atlantic coast of the United States. Historically it was confused with several Chrysaora...
Coregonus artedi, commonly known as the cisco, is a North American species of freshwater whitefish in the family Salmonidae. The number of species and definition of species limits in North American ciscoes is a matter of debate. Accordingly,...
The bluntnose minnow (Pimephales notatus) is a species of temperate freshwater fish belonging to the genus Pimephales of the cyprinid family. Its natural geographic range extends from the Great Lakes south along the Mississippi River basin to...
Coregonus hoyi, also known as the bloater, is a species or form of freshwater whitefish in the family Salmonidae. It is a silvery-coloured herring-like fish, 25.5 centimetres (10.0 in) long. It is found in most of the Great Lakes and in Lake...
The rainbow darter (Etheostoma caeruleum) is a small species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to North...
The black buffalo (Ictiobus niger) is a North American species of freshwater fish in the Catostomidae or sucker family. With a lifespan greater than 100 years it is among the longest-lived of freshwater fish species. Found in the Mississippi Basin...
Chromis cyanea (blue chromis) is a damselfish in the subfamily Pomacentrinae, found in Bermuda, southern Florida and the Caribbean Sea.It is collected for the aquarium trade.
Ophiocoma echinata, the spiny ophiocoma, is a species of brittle star belonging to the family Ophiocomidae. It is the type species of the genus Ophiocoma and is found in the tropical west Atlantic Ocean, the Caribbean Sea and the Gulf of Mexico.
Sinea diadema is a species of assassin bug family (Reduviidae), in the subfamily Harpactorinae. Sinea diadema is bivoltine, preys on small bugs and beetles, and overwinters in the egg stage.
