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Related to elasmobranch: Elasmobranchii, subclass Elasmobranchii, Cartilaginous fishes, Chondrichthyans


Any of various cartilaginous fishes of the subclass Elasmobranchii, having five to seven pairs of lateral gill slits and including the sharks, rays, and skates.

[From New Latin Elasmobranchiī, subclass name : Greek elasmos, metal beaten out (from elaunein, elas-, to beat) + Latin branchia, gill; see branchia.]

e·las′mo·branch′ adj.


(ɪˈlæsməˌbræŋk; ɪˈlæz-)
(Animals) any cartilaginous fish of the subclass Elasmobranchii (or Selachii), which includes the sharks, rays, dogfish, and skates
(Animals) of, relating to, or belonging to the Elasmobranchii
Also called: selachian
[C19: from New Latin elasmobranchii, from Greek elasmos metal plate + brankhia gills]


(ɪˈlæs məˌbræŋk, ɪˈlæz-)

1. belonging or pertaining to the Elasmobranchii, the subclass of cartilaginous fishes comprising the sharks and rays.
2. an elasmobranch fish.
[1870–75; < New Latin Elasmobranchii < Greek elasm(ós) beaten metal]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.elasmobranch - any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharkselasmobranch - any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates
cartilaginous fish, chondrichthian - fishes in which the skeleton may be calcified but not ossified
shark - any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
ray - cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
References in periodicals archive ?
Sustainability Assessment for Fishing Effects (SAFE): a new quantitative ecological risk assessment method and its application to elasmobranch bycatch in an Australian trawl fishery.
A novel statistical method for validating the periodicity of vertebral growth band formation in elasmobranch fishes.
The American Elasmobranch Society (AES) presented its Distinguished Fellow Award to Luer, who studies disease-fighting traits of sharks and rays to support the quest for better human medical care.
Besides the teeth of the elasmobranch Karksiodus and the scales of the putative chondrichthyan Karksilepis parva Marss, the vertebrate assemblage from the Karksi locality also contains the scales of typical chondrichthyans.
In western civilization, the knowledge of the elasmobranch or selachian fishes (sharks and rays) begins with Aristotle (384-322 B.
Notes to Editors: The German Elasmobranch Society, Humane Society International, Project AWARE, Shark Advocates International, Shark Trust, and Wildlife Conservation Society worked as a coalition to promote the shark and ray listing proposals.
There are new chapters on emerging technologies for tagging elasmobranches and recent advances in elasmobranch immunology, plus updated material on reproduction and applications of forensic genetics.
The team also identified the giant guitarfish, Halavi's guitarfish and six species of ray, which all belong to the same elasmobranch family of marine life as sharks.
According to the International Shark Attack Files, which is a compilation of all known shark attacks administered by the American Elasmobranch Society and the Florida Museum of Natural History: "Worldwide there are probably 70 - 100 shark attacks annually resulting in about 5 - 15 deaths.