DISTRIBUTION OF THE FISHES 
Cynopotamus gulo 
Prochilodus nigricans 
Sternopygus macrurus 
Apteronotus hasemani 
Moenkhausia crisnejas 
Knodus moenkhausu 
‘« ~ breviceps 
Brycon stolzmanni 
Rio Santraco UprpER MARANON, FESTA COLLECTION 
(Bryconamericus rutilis) 
(Hemibrycon polyodon) 
(Brycon atricaudatus) 
(Brycon striatulus) 
Salminus affinis 
Piabucina elongata 
Prochilodus nigricans 
Sternarchus albifrons 
Rhamdia humilis 
(Rhamdia parvus) 
(Cetopsis macroteronema) 
Pygidium kneri 
(Pygidium taenium) 
Astroblepus prenadilla 
(Astroblepus festae) 
(Chaetostomus platycephalus) 
Chaetostomus microps Acara syspilus 
Chaetostomus dermorhynchus Crenicichla saxatilis 
Species in parentheses not recorded from our area elsewhere 
MoyYoBAMBA, CHACHAPOYAS HUALLAGA BASIN 
Rhamdia riojae 
Astyanax longior 
ial maximus 
Bryconamericus osgoodi 
Hyphessobrycon sp. 
Crenicichla luecius 
Rio Huamso, Rio Torora MippLeE HUALLAGA 
Pygidium taczanowskil 
Astroblepus sabalo 
“ longifilis 
peruanus 
taczanowskil 
Chaetostoma taczanowskil 
a3 
ce 
Chaetostoma branickil 
5 microps 
Hemibrycon jelski 
o huambonicus 
Creagrutus peruanus 
Auto HuaLLAGA ABOVE CAYUMBA RAPIDS 
Pimelodella montana 
Pygidium taczanowskii 
Astroblepus sabalo 
Fe prenadilla 
longiceps 
praeliorum 
oe 
a3 
Chaetostoma taczanowsku 
ae marmorescens 
Othonocheirodus eigenmanni 
Hemibrycon huambonicus 
Astyanax bimaculatus 
Orestias empyraeus 
TARMA, CHANCHOMAYO, PERENE VALLEY 
Rhamdia quelen 
a pentlandi 
Pseudodoras niger 
Pygidium oroyae 
Astroblepus sabalo 
oe praeliorum 
Ancistrus bufonius 
Hemibrycon jelsku 
Astyanax bimaculatus 
us maximus 
Ceratobranchia obtusirostris 
Bryconacidnus ellisi 
Creagrutus peruanus 
Salminus affinis 
Prochilodus caudofasciatus 
