CFR > Title 50 - Wildlife and Fisheries > CHAPTER VI—FISHERY CONSERVATION AND MANAGEMENT, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE > PART 648—FISHERIES OF THE NORTHEASTERN UNITED STATES > SUBPART B—Management Measures for the Atlantic Mackerel, Squid, and Butterfish Fisheries (§648.20 to §648.26) > 648.20—Maximum optimum yield (OYs).

648.20—Maximum optimum yield (OYs).

The OYs specified pursuant to § 648.21 during a fishing year may not exceed the following amounts:
(a) Mackerel—that quantity of mackerel that is less than or equal to the allowable biological catch (ABC) in U.S. waters specified pursuant to § 648.21.
(b) Loligo -the catch associated with a fishing mortality rate of FThreshold.
(c) Illex— catch associated with a fishing mortality rate of FMSY.
(d) Butterfish—the catch associated with a fishing mortality rate of FMSY.
[61 FR 34968, July 3, 1996, as amended at 62 FR 8637, Feb. 26, 1997; 64 FR 57593, Oct. 26, 1999; 73 FR 37388, July 1, 2008]