Myoxocephalus scorpius
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Myoxocephalus scorpius, typically known as the shorthorn sculpin or bull-rout, is a species of fish in the family Cottidae. It is a demersal species of the Northern Atlantic and adjacent subarctic and Arctic seas.[1][2][3] The species has many English names that are used less frequently or in small parts of its range, including Arctic sculpin, daddy sculpin, European sculpin, father-lasher, goat sculpin, Greenland sculpin, guffy, horny whore, pig-fish, scully, scummy, short-spined sea scorpion and warty sculpin.[4]
Appearance
It reaches maturity at Script error: No such module "convert". in length and specimens from the Arctic and subarctic, which grow to the largest size, can reach up to Script error: No such module "convert".. The fish has a squat appearance, a large spiny head and a tapering body. It is a mottled grey-brown in colour but can be darker, including black as base colouring. It has a large mouth and spiny gill covers.[2]
The shorthorn sculpin is not venomous, but it can be mistaken for similar looking venomous fishes, notably scorpionfish.[5]
Habitat and behaviour
The shorthorn sculpin is found among seaweed or on rocky bottoms with mud or sand from Script error: No such module "convert"..[2] Although primarily a marine species, it also occurs in brackish waters like the Baltic Sea.[1] Like some other coldwater fish, it has antifreeze proteins, which allow it to survive at temperatures around or slightly below freezing.[6][7]
It was known that sculpin have been affected by heavy metal exposure in West Greenland by a former lead (Pb) - zinc (Zn) mine. Through analysing samples of three different sites, a positive correlation was found between fish at a closer distance to the mine and mucus secretion. This mucus creates a layer over the body that can cause respiratory stress, irregular swimming, and also affects their relationships with parasites. Researchers are hoping to use this mucosal mapping to help better understand effects of contaminant and parasite exposure for future studies.[8]
They feed on a wide range of demersal and benthic fishes and crustaceans.[9]
The shorthorn sculpin spawns in December through March, the eggs being laid on between rocks in a clump protected by the male. They usually hatch in five weeks.
References
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- ↑ a b Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
- ↑ a b c Script error: No such module "Cite taxon".
- ↑ Shorthorn Sculpin, Myoxocephalus scorpius Canada's Polar Life: Organisms. www.polarlife.ca
- ↑ FishBase: Common names of Myoxocephalus scorpius. Retrieved 1 June 2019.
- ↑ Horton, A. Terror of the Rock Pool. British Marine Life Study Society.
- ↑ Hew, C.L.; Fletcher, G.L.; Ananthanarayanan, V.S. (1980). Antifreeze proteins from the shorthorn sculpin, Myoxocephalus scorpius: isolation and characterization. Can J Biochem. 58(5): 377–383.
- ↑ Baardsnes, J.; Jelokhani-Niaraki, M.; Kondejewski, L.H.; Kuiper, M.J.; Kay, C.M.; Hodges, R.S.; Davies, P.L. (2001). Antifreeze protein from shorthorn sculpin: identification of the ice-binding surface. Protein Sci. 10(12): 2566–2576.
- ↑ Dang, M., Pittman, K., Bach, L., Sonne, C., Hansson, S. V., Søndergaard, J., Stride, M., & Nowak, B. (2019). Mucous cell responses to contaminants and parasites in shorthorn sculpins (Myoxocephalus scorpius) from a former lead‑zinc mine in West Greenland. Science of the Total Environment, 678, 207–216. https://doi.org/10.1016/j.scitotenv.2019.04.412
- ↑ The Pocket Guide to Saltwater Fishes of Britain and Europe
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