Did you by any chance mean acanthus?
“We found the remains of at least one small shark (a dogfish, either Squalus acanthias or Mustelis canis), bits of lobster and horseshoe crabs, bones from the wing of a herring gull.”
“Coal fish (Pollachius virens; new ecords of spawning fish), Atlantic salmon (Salmo salar), spurdog (Squalus acanthias)”
“Dog Fish (the common), _Spinax acanthias_, or ii 524”
“The Picked Dog-Fish, _Squalus acanthias_ or Bone Dog (Sussex),”
“Palæozoic divisions, unfinished in appearance at their lower extremity, as if, like the spines of the ancient Acanthodi, or those of the recent dog-fish (_Spinax acanthias_), they had been simply embedded in the flesh, but bearing, like the wings of the Pterichthys, an articulated aspect.”
“The eel remains Critically Endangered and has been joined by the piked dogfish (Squalus acanthias).”
“New York: Penguin Books. 208 p. Squalus acanthias, Doha, 13-15 March 2010.”
“Squalus acanthias (dogfish shark )  Carcharhinus falciformis”
“(Squalus acanthias) and partial puri - fication of liver flavin-containing monooxygenase of the silky shark (Carcharhinus falciformis).”
“Properly called the spiny dogfish or spurdog (Squalus acanthias), the chippy's favoured shark is more usually labelled as rock salmon.”
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