Table 5. — Fish taken by trawling, Jlorida Outside, m/V Launch 58 , 1933-35* catch per unit of effort (T5-foot shrimp trawl at 2 to 3 knots) 



by months for «n years and stations combined 



[Upper figure, number of fish per hour of hauling; middle figiure, percent of total catch; and lower figure, total 

 number of fish; asterisk indicates value less than O.05] 



Species 



Mar ■ Apr . 



May 



June Jtily Aug . 



Sept _ . Oct . 



CarcharhinuB spp. 



0.5 

 * 



Scollodon terrae novae 



S phyma tiburo 



SphyriM. z ygaena 



0.3 



O.ll 



0.5 



« 

 6 



o.u 



0.3 

 31 



Pristls pectinatus 



Rhinobatos lentiginosus 



0.1+ 



Torpedo nob i liana 



Raja eplanteria 



Dasyatis amerlcana 



Dasyatis centroxira 



0.5 



1.3 



0.9 



l.U 



0.1 



137 



0.3 

 # 



33 



Dasyatis sablna 



0.5 



* 



It 



Gymnura mlcrura 



0.2 

 * 

 2 



0.7 

 * 



7 



0.3 



0.7 

 * 



5 



17 



Aetobatus narlnarl 



Rhinoptera bonaeus 



0.1 

 * 



1 



0.7 



Acipenser oxVTh.YDChus 



LeplsosteuB osaeuB 



2.9 



0.1 



so 

 0.6 



0.7 



0.6 



0.5 



9.1 



0.2 



68 



l.li 



2. It 



0.1 



20 



5.6 



0.2 

 lt8 



0.9 



12.8 

 0.5 



1,211 



O.lt 

 * 



35 



l.lt 

 0.1 

 132 



6.7 

 0.3 

 632 



9lt 



Trachinocephalus myops 



32 



