58 Conservation Department 



Erimijzon sucttia ohlonf/us (Mitehill). — Mullet, eliiilj sucker. Keeoidecl 

 from the Genesee river at Gold (Potter Co.), Pennsylvania (Fowler, 1907). 

 Also occurs in Lake Ontario tributaries. Xo specimens taken from the Xew 

 York State part of the Genesee drainage though it should occur there. 



Moccostoma aureohim (Le Sueur). — Red-horse sucker, red-fin mullet. Com- 

 mon. Large warm streams. L'sually in pools with moderate to strong cur- 

 rent. The largest and most important sucker as food, reaching a weight of 

 about 5 lb. August 4, Honeoye creek, 9 inches. Food: mud containing fila- 

 ments of algae and many diatoms and the following animal matter: 8 midge 

 larvae (Chironoinklae) , 5 Crustacea (Cyclops). 



Moxostoma lesueurii (Richardson). — Short-headed red-horse sucker, red- 

 fin mullet. Moderately comm(m. Large warm streams, often occurring with 

 the preceding species. As good a food fish as Moxostoma aureolum, but not 

 as large. 



Cyprinidae Minnoios 



Campostoma auoniahnn (Rafinesque). — Stone-roller, dough-belly. Common 

 in warm, shallow streams. Occasionally present in trout waters but rare 

 there. Commonly used as a bait minnow for the larger game fishes. June 

 29, Genesee river at Belmont, 3% inches. Food : mud containing diatoms. 

 July (), Caneadea Creek, 1% inches. Food: mud containing 2 midge larvae 

 (Ciiironomidae) which were 25% uf the food. The mud was very rich in 

 diatoms. 



Hyhoffnathus nuchalis Agassiz. Silvery minnow. Rare. One specimen 

 taken in lower Black Creek (Monroe Co.). 



Pimephales promelas Rafinesque. — Fathead minnow, l)lackhead minnow. 

 Rare. Ponds and sluggish streams of warm or rather cold water. Dykes 

 creek (Allegany Co.); Browning Spring Cove (Allegany Co.); Genesee river 

 near Belmont; pond near Pennsylvania line (Allegany Co.). June 22, spawn- 

 ing in the last named locality. A male 2ys inches long defended the eggs, 

 attached side by side, to the under side of a stick in water 8 inches deep. 

 Eggs 1/10 inches in diameter, round, opaque. Mass 4" x 1%"; contained ap- 

 proximately 700 eggs. Water temi)erature 67° F. Air 71° F. Food of one 

 1 9/1(1" specimen from this pond at this date was mud containing diatoms 

 and desmids. 



Iljfhorhyiichus notatus (Rafinesque). — Blunt-nosed minnow. Common in 

 warm streams, ponds and lakes. Taken twice in brown trout stream in 

 limited numljers. A good bait minnow for basses and yellow perch. July 1. 

 Rockville reservoir (Allegany Co.) spawning. Male guarded eggs which 

 were in a mass, side by side, on the under side of an old milk can top in 

 shallow water. June 29, Genesee river at Belmont, X. Y. 2% inches. Foml: 

 contained a few filaments of algae and some diatoms. 



Sonotilus atrornaculatus (Mitchill). — Horned dace, creek chub, chult. 

 Abundant in small streams. Less common in large, deep waters. Thrives 

 in trout waters and warm streams. Large individuals are easily caught on 

 worm, crawfish or artificial fly and are occasionally used for food. Smaller 

 ones are i)Oj)ular as bait minnows. Food of 7 specimens 1 % to 8 inches 

 long from streams of Genesee region July, June, August: Aquatic insects 

 31.4'/r, land insects 28.4',;, crawfish (1 stomach) 14.:^;;. Snails 7..S9r, grass 

 seeds (1 stomacli ) 2.8'';. vegetabh' debris (2 stomachs) I."). 7''//. 



Clitioslotnus cloHf/atus (Kiitland). — Red-sided minnow. Locally conunon. 

 Pools and (piiet waters of small, cool streams, avoi<ls lM>th warm and very 

 cohl waters. Present in a few Inown trout streams. A very active minnow 

 feeding largely at tlie surface, even rising to artificial flies. Appears to l:e 

 an attractive Itail ininnnw. June 20, Fulmer \'allev stream (Allegany Co.). 

 Food: a huge adult tly ami fragments of auotlu-r winged insect. This fish 

 was a fenuile :i% inches long, nearly ready t(t sjiawn. The patches of red on 

 the sides were very brilliant. 



Mtiri/inisciis itiari/ti ritd (Cope). — ]*earl minnow. Loi-ally eoninion. limiieJ 

 to small, cool, or cold stieams. I'ools of moderate or strong current. 

 Often present in trout waters, occurring in as cold waters as any otiier 

 minnow of tlie region. July 19, Wiscoy creek. 2% inches. Food: about 

 25 midge larvae (Chironomidac) , 3 adult midges (Chirotomidac) and a trace 



