74 Conservation Department 



List of Species 



COPEIPODA 



Achtheres amhloplitis. — Parasitic on the gills of the small- 

 mouthed black bass ; only one infected fish found during the entire 

 season. 



Canthocamptus illinoiensis. — In small pond draining into Cat- 

 taraugus creek; found in stomach of carp sucker seined on the 

 lake shore. 



Canthocamptus staphylinoides. — In small pond draining into 

 Cayuga creek; found in stomach of small carp seined on the lake 

 shore. 



Canthocamptus staphylimis. — In small pond draining into Can- 

 adaway creek; found in stomach of carp seined near mouth of 

 Canadaway creek. 



Cyclops hicuspidatus. — In all 3 lake zones, most abundant in 

 littoral zone ; eaten by the cisco, the carp sucker and the Cayuga 

 shiner. 



Cyclops rohustus. — A bottom form of the littoral zone; eaten by 

 the carp and the carp sucker. 



Cyclops vulgaris. — In mud Avashing, Tonawanda creek and in 

 old Erie canal; eaten by red-horse sucker, white-nosed sucker, 

 carp sucker, white sucker, carp, bullhead, straw-colored minnow, 

 the trout perch, the white bass and the yellow perch. 



Diaptomus ashlaiicli. — In all 3 lake zones, most abundant in 

 lacustric zone ; eaten by the silversides and the Cayuga shiners. 



Diaptomus oregonensis. — In small pond draining into Cayuga 

 creek ; eaten by carp sucker and yellow perch. 



Diaptomus sicilis.— In all 3 lake zones, most abundant in lit- 

 toral zone; eaten by green-backed shiner, spot-tailed shiner, trout 

 perch and yellow perch. 



Epischura lacustris. — In all 3 lake zones, most abundant in lit- 

 toral zone; eaten by green-backed shiner and yellow perch. 



Ergasilus centrarchidarum. — Parastic on the gills of pike- 

 perch and the small-mouthed black bass ; very few fish infested. 



Eucyclops agilis. — Widely distributed, but confined to marginal 

 zone; eaten by bullhead, straw-colored minnow, Cayuga shiner, 

 red-horse sucker, carp and stone-roller. 



Limnocalanus macruriis. — In littoral and lacustric zones, more 

 common in the latter ; eaten by cisco. 



Macrocyclops annuJicornis. — Found only in the marginal zone ; 

 eaten by bullheads and yellow perch. 



Macrocyclops signatus. — Found only in marginal zone ; eaten 

 by yellow perch. 



Mcsocyclops ohsoletus. — In all 3 lake zones, most abundant in 

 lacustric zone ; eaten by cisco and mud minnow. 



Paracyclops phaleratus. — Found only in marginal zone ; eaten 

 by carp. 



Platy Cyclops fn)ih)-i<ihis. — Only in marginal zone; eaten by yel- 

 low perch. 



