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The mummichog is a small killifish found along the Atlantic coast of the United States and Canada. Also known as Atlantic killifish, mummies, gudgeons, and mud minnows, these fish inhabit brackish and coastal waters including estuaries and salt marshes. The species is noted for its hardiness and ability to tolerate highly variable salinity, temperature fluctuations from 6 to 35 °C, very low oxygen levels, and heavily polluted ecosystems. As a result, the mummichog is a popular research subject in embryological, physiological, and toxicological studies. It is also the first fish ever sent to space, aboard Skylab in 1973.
Newark Bay is a tidal bay at the confluence of the Passaic and Hackensack Rivers in northeastern New Jersey. It is home to the Port Newark-Elizabeth Marine Terminal, the largest container shipping facility in Port of New York and New Jersey, the second busiest in the United States. An estuary, it is periodically dredged to accommodate ocean-going ships.
Fundulus is a genus of ray-finned fishes in the superfamily Funduloidea, family Fundulidae. It belongs to the order of toothcarps (Cyprinodontiformes), and therein the large suborder Cyprinodontoidei. Most of its closest living relatives are egg-laying, with the notable exception of the splitfin livebearers (Goodeidae).
The banded killifish is a North American species of temperate freshwater killifish belonging to the genus Fundulus of the family Fundulidae. Its natural geographic range extends from Newfoundland to South Carolina, and west to Minnesota, including the Great Lakes drainages. This species is the only freshwater killifish found in the northeastern United States. While it is primarily a freshwater species, it can occasionally be found in brackish water.
Judith Shulman Weis is an American marine biologist. Her research and writing focuses on estuarine ecology and ecotoxicology, including the responses of salt marsh and brackish marsh organisms, populations and communities to stresses, particularly heavy metal contaminants, invasive species and parasites. She is also working to reduce the spread of microplastics in the environment and find solutions to protecting coastal marshes from sea level rise.
Robert C. Cashner is an American ichthyologist and retired academic administrator.
Ecrobia truncata, common name the truncated marsh hydrobia or minute hydrobia, is a species of very small aquatic snail, an operculate gastropod mollusk in the family Hydrobiidae.
The Gulf killifish is one of the largest members of the genus Fundulus; it is capable of growing up to 18 cm in length, whereas the majority of other Fundulus reach a maximum length of 10 cm. Therefore, F. grandis is among the largest minnows preyed upon by many sport fish, such as flounder, speckled trout, and red drum. Fundulus derives from the Latin meaning "bottom," and grandis means "large". The Gulf killifish is native to the Gulf of Mexico from Texas to Florida and the eastern coast of Florida and the Caribbean Sea in the Atlantic Ocean. Threats to the survival of the Gulf killifish include extreme changes in salinity, changes in temperatures, and toxic events such as the hypoxic dead zone in Louisiana and the Deepwater Horizon oil spill. The Gulf killifish is currently being used to test the effects of oil and oil dispersants on the physiology of marine species affected by these substances. This is significant to conservation biology, because with the continued extraction of oil and other natural resources from North American waters, it has become increasingly important to understand the risks and consequences in worst-case scenarios, such as the Deepwater Horizon oil spill, and the lasting effects on the marine ecosystem.
Gyrodactylidae is a family of flatworms in the order Gyrodactylidea.
Gyrodactylus is a genus of parasitic flatworms in the family Gyrodactylidae.
Fundulus zebrinus is a species of fish in the Fundulidae known by the common name plains killifish. It is native to North America, where it is distributed throughout the Mississippi River, Colorado River, and Rio Grande drainages, and other river systems; many of its occurrences represent happy introduced populations.
The spotfin killifish is a member of the genus Fundulus. This hardy fish is notable for spending its entire life in sporadically flooded salt marsh habitat, sheltering in shallow pools, puddles, and small tidal rivulets. It closely resembles the mummichog in shape and coloration, but the two species can be distinguished by dorsal fin ray count: 8–9 in the spotfin versus 11–12 in the mummichog. Additionally, the dorsal fin of F. luciae originates farther back, and slightly behind the anal fin origin; in the mummichog, the dorsal fin begins anteriorly to the anal fin origin. The spotfin killifish is named for the pronounced ocellus found on the posterior dorsal fin of adult males. It is a small fish, seldom attaining 50 mm in total length. Its distribution extends along the U.S. east coast from Massachusetts to Georgia.
Pseudorhabdosynochus is a genus of monopisthocotylean monogeneans, included in the family Diplectanidae. The type-species of the genus is Pseudorhabdosynochus epinepheli .
Gyrodactylus leptorhynchi is a small monogenean obligate ectoparasite which parasitizes freshwater bay pipefish. Gyrodactylus leptorhynchi is the seventh Gyrodactylus species known to infect bay pipefish and the first characterized along the Pacific coast of North America. The parasite can get into captive fish environments, such as fish farms and aquariums, where it may spread in as little as 10 days. Gyrodactylus species are known to centralize on the brood pouch in male fish, this may allow for transmission to newly hatched young. However, in Gyrodactylus leptorhynchi the parasite was found mostly found attached to body surfaces such as the dorsal fins.
Lover's Lake killifish is a rare, threatened species of killifish endemic to the Atlantic archipelago of Bermuda, an overseas territory of the United Kingdom. It was formerly described alongside its relatives as abundant throughout the islands' wetland communities, but it has declined and is now found in only a few freshwater, brackish, and saline ponds, including Bartram's Pond and Lover's Lake. It is presumably descended from the F. heteroclitus - F. grandis species complex found on the Atlantic coast of North America. It shares the island chain with the related Bermuda killifish, another killifish species also endemic to a few ponds, and was formerly synonymized with it. Other killifish populations on the islands also seem to be distinct and may also be separate species. Despite this, no pond in Bermuda has been found to contain multiple killifish species together. While most of the ponds containing the killifish's populations are protected as nature reserves, they are often located near areas of high development, leading to risk of pollution. It is also threatened by native predators such as diamondback terrapins, reintroduced yellow-crowned night herons, and other birds, as well as introduced predators such as red-eared sliders and eastern mosquitofish.
Laminiscus is a genus of monogeneans in the family Gyrodactylidae. It consists of one species, Laminiscus gussevi . Laminiscus is a marine parasite, using its haptor to attach itself to a marine fish host. Its haptor consists of no dorsal bar, additional internal support plates, hamuli with distinct dorsal and ventral roots, and marginal hook sickles with poorly developed heels and short handles.
Polyclithrum is a genus of monogeneans in the family Gyrodactylidae.
Fundulotrema is a genus of monogeneans in the family Gyrodactylidae.
Gyrocerviceanseris is a genus of monogeneans in the family Gyrodactylidae. It consists of one species, Gyrocerviceanseris passamaquoddyensis Cone, Abbott, Gilmore & Burt, 2010.
Ancyrocephalidae is a family of monogenean flatworms. The family is considered as a "temporary name" in WorMS but includes a large number of genera and species.
References
- 1 2 Rogers, W. A. (1969). Swingleus polyclithroides gen. et sp. n. (Monogenea: Gyrodactylidae) from Fundulus grandis Baird & Girard. Tulane Studies in Zoology and Botany, 16, 22–25.
- ↑ Billeter, P. A., Klink, M. M. & Maugel, T. K. (2000). A new species of Swingleus (Monogenea: Gyrodactylidae) from the mummichog Fundulus heteroclitus, in the Delaware Bay. The Journal of Parasitology, 86(6), 1219–1222.
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