Striped cusk-eel Contents Description Distribution and habitat Biology References Navigation menu10.2305/IUCN.UK.2015-4.RLTS.T190213A16510587.en"Species: Ophidion marginatum, Striped cusk-eel""Ophidion marginatum"Field Guide to Fishes of the Chesapeake Bay"Net Notes July/August 2010"20586031145203038179521101555561648521902131459852158767

IUCN Red List least concern speciesOphidion (fish)Fish described in 1842Fish of the Atlantic OceanFish of the United States


speciesfamilyOphidiidaedorsalanal finscaudal finpelvic finslateral lineNew EnglandFloridaBarnegatChesapeake Baybenthicswim bladdersexually dimorphichypertrophy



















Striped cusk-eel

Striped cusk-eel.jpg

Conservation status




Least Concern (IUCN 3.1)[1]


Scientific classification edit
Kingdom:

Animalia
Phylum:

Chordata
Class:

Actinopterygii
Order:

Ophidiiformes
Family:

Ophidiidae
Genus:

Ophidion
Species:

O. marginatum


Binomial name

Ophidion marginatum

DeKay, 1842


Synonyms


  • Ophidium marginatum DeKay, 1842


  • Rissola marginata (DeKay, 1842)

The striped cusk-eel (Ophidion marginatum) is a species of fish in the family Ophidiidae. It is found in the northwest Atlantic.




Contents





  • 1 Description


  • 2 Distribution and habitat


  • 3 Biology


  • 4 References




Description


The striped cusk-eel is named as such due to its lateral line, which stops before the base of the tail and has a noticeably different shade than the rest of its body, which is a gray-green shade.


This species has an elongated, laterally compressed body with the profile of the head being almost straight from the tip of the moderately pointed snout to behind its eye. The snout just points beyond the mouth and has a spine projecting down near its tip. The male has a prominent crest on the nape. The dorsal and anal fins are joined to the caudal fin. the dorsal fin has 147-158rays, the anal fin 118-124 rays and the pelvic fins each have 2 rays of unequal length and inserted under eye. The scales are smooth and elongated, they do not overlap and there are none on the head. It is grey-green above, golden on the flanks and white below; there are 2-3 dark stripes along the entire length of the body with one along the lateral line. The side of head has brown spots, the dorsal is fin pale green with a black margin and the anal fin also has a black margin.[2]


It can grow up to 25 centimetres (9.8 in) long.[3]



Distribution and habitat


The striped cusk eel occurs from the northern Atlantic waters off the United States, ranging from New England to northeastern Florida.[1] Larvae occupy the continental shelf of the United States, while a mixture of larvae and juveniles have been reported to occur in estuaries from Barnegat to Chesapeake Bay.



Biology


The stripe cusk-eel is a benthic species which burrows tail first into soft substrates such as sand or mud. They remain hidden during the day and come out of their burrows at night to hunt. They occur in inshore waters in Spring and Fall but their wintering habits are little known, they may move offshore or they may be inactive and remain buried in the substrate.[4] They feed on small crustaceans and fishes smaller than themselves.[5]


The swim bladder, anterior vertrebrae and the dorsal cranial muscles have been modified to form a drum like sound generator, this is sexually dimorphic with the apparatus being different in each sex. Older juvenile and adult males show a lump on the head caused by hypertrophy of the muscles used to make the drumming sounds they use in courtship. Spawning for the striped cusk eel begins in the summer. Courting and spawning rituals include the creation of sound and close, synchronized movements from a breeding pair. Females can release small containers of eggs nightly for up to two months after the breeding process has finished.[4]



References




  1. ^ ab Robins, R.H. (2015). "Ophidion marginatum". The IUCN Red List of Threatened Species. 2015: e.T190213A16510587. doi:10.2305/IUCN.UK.2015-4.RLTS.T190213A16510587.en..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  2. ^ "Species: Ophidion marginatum, Striped cusk-eel". Shorefishes of the Greater Caribbean online information system. Smithsonian Tropical research Institute. Retrieved 15 July 2018.


  3. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Ophidion marginatum" in FishBase. December 2012 version.


  4. ^ ab Edward O. Mardy; John A. Musick (2013). Field Guide to Fishes of the Chesapeake Bay. JHU Press. pp. 109–110. ISBN 9781421407685. Retrieved 15 July 2018.


  5. ^ "Net Notes July/August 2010". Juvenile Fish and Blue Crab Survey. Virginia Institute of Marine Science. Retrieved 15 July 2018.












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